Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

130 files changed, 0 insertions, 3125 deletions

diff --git a/src/test/ui/hygiene/arguments.rs b/src/test/ui/hygiene/arguments.rs
deleted file mode 100644
index f0f732f4c..000000000
--- a/src/test/ui/hygiene/arguments.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-
-macro m($t:ty, $e:expr) {
-    mod foo {
-        #[allow(unused)]
-        struct S;
-        pub(super) fn f(_: $t) {}
-    }
-    foo::f($e);
-}
-
-fn main() {
-    struct S;
-    m!(S, S); //~ ERROR cannot find type `S` in this scope
-}
diff --git a/src/test/ui/hygiene/arguments.stderr b/src/test/ui/hygiene/arguments.stderr
deleted file mode 100644
index d072086e0..000000000
--- a/src/test/ui/hygiene/arguments.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0412]: cannot find type `S` in this scope
-  --> $DIR/arguments.rs:16:8
-   |
-LL |     m!(S, S);
-   |        ^ not found in this scope
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0412`.
diff --git a/src/test/ui/hygiene/assoc_item_ctxt.rs b/src/test/ui/hygiene/assoc_item_ctxt.rs
deleted file mode 100644
index 65593d1d5..000000000
--- a/src/test/ui/hygiene/assoc_item_ctxt.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-#![allow(unused)]
-
-mod ok {
-    macro mac_trait_item($method: ident) {
-        fn $method();
-    }
-
-    trait Tr {
-        mac_trait_item!(method);
-    }
-
-    macro mac_trait_impl() {
-        impl Tr for u8 { // OK
-            fn method() {} // OK
-        }
-    }
-
-    mac_trait_impl!();
-}
-
-mod error {
-    macro mac_trait_item() {
-        fn method();
-    }
-
-    trait Tr {
-        mac_trait_item!();
-    }
-
-    macro mac_trait_impl() {
-        impl Tr for u8 { //~ ERROR not all trait items implemented, missing: `method`
-            fn method() {} //~ ERROR method `method` is not a member of trait `Tr`
-        }
-    }
-
-    mac_trait_impl!();
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/assoc_item_ctxt.stderr b/src/test/ui/hygiene/assoc_item_ctxt.stderr
deleted file mode 100644
index d65716ec2..000000000
--- a/src/test/ui/hygiene/assoc_item_ctxt.stderr
+++ /dev/null
@@ -1,32 +0,0 @@
-error[E0407]: method `method` is not a member of trait `Tr`
-  --> $DIR/assoc_item_ctxt.rs:35:13
-   |
-LL |             fn method() {}
-   |             ^^^------^^^^^
-   |             |  |
-   |             |  help: there is an associated function with a similar name: `method`
-   |             not a member of trait `Tr`
-...
-LL |     mac_trait_impl!();
-   |     ----------------- in this macro invocation
-   |
-   = note: this error originates in the macro `mac_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0046]: not all trait items implemented, missing: `method`
-  --> $DIR/assoc_item_ctxt.rs:34:9
-   |
-LL |         fn method();
-   |         ------------ `method` from trait
-...
-LL |         impl Tr for u8 {
-   |         ^^^^^^^^^^^^^^ missing `method` in implementation
-...
-LL |     mac_trait_impl!();
-   |     ----------------- in this macro invocation
-   |
-   = note: this error originates in the macro `mac_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to 2 previous errors
-
-Some errors have detailed explanations: E0046, E0407.
-For more information about an error, try `rustc --explain E0046`.
diff --git a/src/test/ui/hygiene/assoc_ty_bindings.rs b/src/test/ui/hygiene/assoc_ty_bindings.rs
deleted file mode 100644
index 0567beab9..000000000
--- a/src/test/ui/hygiene/assoc_ty_bindings.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro, associated_type_defaults)]
-
-trait Base {
-    type AssocTy;
-    fn f();
-}
-trait Derived: Base {
-    fn g();
-}
-
-macro mac() {
-    type A = dyn Base<AssocTy = u8>;
-    type B = dyn Derived<AssocTy = u8>;
-
-    impl Base for u8 {
-        type AssocTy = u8;
-        fn f() {
-            let _: Self::AssocTy;
-        }
-    }
-    impl Derived for u8 {
-        fn g() {
-            let _: Self::AssocTy;
-        }
-    }
-
-    fn h<T: Base, U: Derived>() {
-        let _: T::AssocTy;
-        let _: U::AssocTy;
-    }
-}
-
-mac!();
-
-fn main() {}
diff --git a/src/test/ui/hygiene/auxiliary/codegen-attrs.rs b/src/test/ui/hygiene/auxiliary/codegen-attrs.rs
deleted file mode 100644
index 74afedbeb..000000000
--- a/src/test/ui/hygiene/auxiliary/codegen-attrs.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-#![feature(decl_macro)]
-
-macro m($f:ident) {
-    #[export_name = "export_function_name"]
-    pub fn $f() -> i32 {
-        2
-    }
-}
-
-m!(rust_function_name);
diff --git a/src/test/ui/hygiene/auxiliary/def-site-async-await.rs b/src/test/ui/hygiene/auxiliary/def-site-async-await.rs
deleted file mode 100644
index f7e9b8013..000000000
--- a/src/test/ui/hygiene/auxiliary/def-site-async-await.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-// edition:2018
-
-extern crate opaque_hygiene;
-
-pub async fn serve() {
-    opaque_hygiene::make_it!();
-}
diff --git a/src/test/ui/hygiene/auxiliary/fields.rs b/src/test/ui/hygiene/auxiliary/fields.rs
deleted file mode 100644
index 733d11a9e..000000000
--- a/src/test/ui/hygiene/auxiliary/fields.rs
+++ /dev/null
@@ -1,73 +0,0 @@
-#![feature(decl_macro)]
-
-#[derive(Copy, Clone, PartialEq, Debug)]
-pub enum Field {
-    RootCtxt,
-    MacroCtxt,
-}
-
-#[rustfmt::skip]
-macro x(
-    $macro_name:ident,
-    $macro2_name:ident,
-    $type_name:ident,
-    $field_name:ident,
-    $const_name:ident
-) {
-    #[derive(Copy, Clone)]
-    pub struct $type_name {
-        pub field: Field,
-        pub $field_name: Field,
-    }
-
-    pub const $const_name: $type_name =
-        $type_name { field: Field::MacroCtxt, $field_name: Field::RootCtxt };
-
-    #[macro_export]
-    macro_rules! $macro_name {
-        (check_fields_of $e:expr) => {{
-            let e = $e;
-            assert_eq!(e.field, Field::MacroCtxt);
-            assert_eq!(e.$field_name, Field::RootCtxt);
-        }};
-        (check_fields) => {{
-            assert_eq!($const_name.field, Field::MacroCtxt);
-            assert_eq!($const_name.$field_name, Field::RootCtxt);
-        }};
-        (construct) => {
-            $type_name { field: Field::MacroCtxt, $field_name: Field::RootCtxt }
-        };
-    }
-
-    pub macro $macro2_name {
-        (check_fields_of $e:expr) => {{
-            let e = $e;
-            assert_eq!(e.field, Field::MacroCtxt);
-            assert_eq!(e.$field_name, Field::RootCtxt);
-        }},
-        (check_fields) => {{
-            assert_eq!($const_name.field, Field::MacroCtxt);
-            assert_eq!($const_name.$field_name, Field::RootCtxt);
-        }},
-        (construct) => {
-            $type_name { field: Field::MacroCtxt, $field_name: Field::RootCtxt }
-        }
-    }
-}
-
-x!(test_fields, test_fields2, MyStruct, field, MY_CONST);
-
-pub fn check_fields(s: MyStruct) {
-    test_fields!(check_fields_of s);
-}
-
-pub fn check_fields_local() {
-    test_fields!(check_fields);
-    test_fields2!(check_fields);
-
-    let s1 = test_fields!(construct);
-    test_fields!(check_fields_of s1);
-
-    let s2 = test_fields2!(construct);
-    test_fields2!(check_fields_of s2);
-}
diff --git a/src/test/ui/hygiene/auxiliary/intercrate.rs b/src/test/ui/hygiene/auxiliary/intercrate.rs
deleted file mode 100644
index 068535885..000000000
--- a/src/test/ui/hygiene/auxiliary/intercrate.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-#![feature(decl_macro)]
-
-pub mod foo {
-    pub use self::bar::m;
-    mod bar {
-        fn f() -> u32 { 1 }
-        pub macro m() {
-            f()
-        }
-    }
-}
-
-pub struct SomeType;
-
-// `$crate`
-pub macro uses_dollar_crate_modern() {
-    type Alias = $crate::SomeType;
-}
-
-pub macro define_uses_dollar_crate_modern_nested($uses_dollar_crate_modern_nested: ident) {
-    macro $uses_dollar_crate_modern_nested() {
-        type AliasCrateModernNested = $crate::SomeType;
-    }
-}
-
-#[macro_export]
-macro_rules! define_uses_dollar_crate_legacy_nested {
-    () => {
-        macro_rules! uses_dollar_crate_legacy_nested {
-            () => {
-                type AliasLegacyNested = $crate::SomeType;
-            }
-        }
-    }
-}
-
-// `crate`
-pub macro uses_crate_modern() {
-    type AliasCrate = crate::SomeType;
-}
-
-pub macro define_uses_crate_modern_nested($uses_crate_modern_nested: ident) {
-    macro $uses_crate_modern_nested() {
-        type AliasCrateModernNested = crate::SomeType;
-    }
-}
diff --git a/src/test/ui/hygiene/auxiliary/legacy_interaction.rs b/src/test/ui/hygiene/auxiliary/legacy_interaction.rs
deleted file mode 100644
index 90d5243b7..000000000
--- a/src/test/ui/hygiene/auxiliary/legacy_interaction.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// ignore-pretty pretty-printing is unhygienic
-
-#[macro_export]
-macro_rules! m {
-    () => {
-        fn f() {} // (2)
-        g(); // (1)
-    }
-}
diff --git a/src/test/ui/hygiene/auxiliary/local_inner_macros.rs b/src/test/ui/hygiene/auxiliary/local_inner_macros.rs
deleted file mode 100644
index 4296ae2fd..000000000
--- a/src/test/ui/hygiene/auxiliary/local_inner_macros.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-#[macro_export]
-macro_rules! helper1 {
-    () => ( struct S; )
-}
-
-#[macro_export(local_inner_macros)]
-macro_rules! helper2 {
-    () => ( helper1!(); )
-}
-
-#[macro_export(local_inner_macros)]
-macro_rules! public_macro {
-    () => ( helper2!(); )
-}
-
-#[macro_export(local_inner_macros)]
-macro_rules! public_macro_dynamic {
-    ($helper: ident) => ( $helper!(); )
-}
diff --git a/src/test/ui/hygiene/auxiliary/methods.rs b/src/test/ui/hygiene/auxiliary/methods.rs
deleted file mode 100644
index 23b9c61cf..000000000
--- a/src/test/ui/hygiene/auxiliary/methods.rs
+++ /dev/null
@@ -1,160 +0,0 @@
-#![feature(decl_macro)]
-
-#[derive(PartialEq, Eq, Debug)]
-pub enum Method {
-    DefaultMacroCtxt,
-    DefaultRootCtxt,
-    OverrideMacroCtxt,
-    OverrideRootCtxt,
-}
-
-#[rustfmt::skip]
-macro x($macro_name:ident, $macro2_name:ident, $trait_name:ident, $method_name:ident) {
-    pub trait $trait_name {
-        fn method(&self) -> Method {
-            Method::DefaultMacroCtxt
-        }
-
-        fn $method_name(&self) -> Method {
-            Method::DefaultRootCtxt
-        }
-    }
-
-    impl $trait_name for () {}
-    impl $trait_name for bool {
-        fn method(&self) -> Method {
-            Method::OverrideMacroCtxt
-        }
-
-        fn $method_name(&self) -> Method {
-            Method::OverrideRootCtxt
-        }
-    }
-
-    #[macro_export]
-    macro_rules! $macro_name {
-        (check_resolutions) => {
-            assert_eq!(().method(), Method::DefaultMacroCtxt);
-            assert_eq!($trait_name::method(&()), Method::DefaultMacroCtxt);
-            assert_eq!(().$method_name(), Method::DefaultRootCtxt);
-            assert_eq!($trait_name::$method_name(&()), Method::DefaultRootCtxt);
-
-            assert_eq!(false.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&false), Method::OverrideMacroCtxt);
-            assert_eq!(false.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&false), Method::OverrideRootCtxt);
-
-            assert_eq!('a'.method(), Method::DefaultMacroCtxt);
-            assert_eq!($trait_name::method(&'a'), Method::DefaultMacroCtxt);
-            assert_eq!('a'.$method_name(), Method::DefaultRootCtxt);
-            assert_eq!($trait_name::$method_name(&'a'), Method::DefaultRootCtxt);
-
-            assert_eq!(1i32.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&1i32), Method::OverrideMacroCtxt);
-            assert_eq!(1i32.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&1i32), Method::OverrideRootCtxt);
-
-            assert_eq!(1i64.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&1i64), Method::OverrideMacroCtxt);
-            assert_eq!(1i64.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&1i64), Method::OverrideRootCtxt);
-        };
-        (assert_no_override $v:expr) => {
-            assert_eq!($v.method(), Method::DefaultMacroCtxt);
-            assert_eq!($trait_name::method(&$v), Method::DefaultMacroCtxt);
-            assert_eq!($v.$method_name(), Method::DefaultRootCtxt);
-            assert_eq!($trait_name::$method_name(&$v), Method::DefaultRootCtxt);
-        };
-        (assert_override $v:expr) => {
-            assert_eq!($v.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&$v), Method::OverrideMacroCtxt);
-            assert_eq!($v.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&$v), Method::OverrideRootCtxt);
-        };
-        (impl for $t:ty) => {
-            impl $trait_name for $t {
-                fn method(&self) -> Method {
-                    Method::OverrideMacroCtxt
-                }
-
-                fn $method_name(&self) -> Method {
-                    Method::OverrideRootCtxt
-                }
-            }
-        };
-    }
-
-    pub macro $macro2_name {
-        (check_resolutions) => {
-            assert_eq!(().method(), Method::DefaultMacroCtxt);
-            assert_eq!($trait_name::method(&()), Method::DefaultMacroCtxt);
-            assert_eq!(().$method_name(), Method::DefaultRootCtxt);
-            assert_eq!($trait_name::$method_name(&()), Method::DefaultRootCtxt);
-
-            assert_eq!(false.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&false), Method::OverrideMacroCtxt);
-            assert_eq!(false.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&false), Method::OverrideRootCtxt);
-
-            assert_eq!('a'.method(), Method::DefaultMacroCtxt);
-            assert_eq!($trait_name::method(&'a'), Method::DefaultMacroCtxt);
-            assert_eq!('a'.$method_name(), Method::DefaultRootCtxt);
-            assert_eq!($trait_name::$method_name(&'a'), Method::DefaultRootCtxt);
-
-            assert_eq!(1i32.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&1i32), Method::OverrideMacroCtxt);
-            assert_eq!(1i32.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&1i32), Method::OverrideRootCtxt);
-
-            assert_eq!(1i64.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&1i64), Method::OverrideMacroCtxt);
-            assert_eq!(1i64.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&1i64), Method::OverrideRootCtxt);
-        },
-        (assert_no_override $v:expr) => {
-            assert_eq!($v.method(), Method::DefaultMacroCtxt);
-            assert_eq!($trait_name::method(&$v), Method::DefaultMacroCtxt);
-            assert_eq!($v.$method_name(), Method::DefaultRootCtxt);
-            assert_eq!($trait_name::$method_name(&$v), Method::DefaultRootCtxt);
-        },
-        (assert_override $v:expr) => {
-            assert_eq!($v.method(), Method::OverrideMacroCtxt);
-            assert_eq!($trait_name::method(&$v), Method::OverrideMacroCtxt);
-            assert_eq!($v.$method_name(), Method::OverrideRootCtxt);
-            assert_eq!($trait_name::$method_name(&$v), Method::OverrideRootCtxt);
-        },
-        (impl for $t:ty) => {
-            impl $trait_name for $t {
-                fn method(&self) -> Method {
-                    Method::OverrideMacroCtxt
-                }
-
-                fn $method_name(&self) -> Method {
-                    Method::OverrideRootCtxt
-                }
-            }
-        }
-    }
-}
-
-x!(test_trait, test_trait2, MyTrait, method);
-
-impl MyTrait for char {}
-test_trait!(impl for i32);
-test_trait2!(impl for i64);
-
-pub fn check_crate_local() {
-    test_trait!(check_resolutions);
-    test_trait2!(check_resolutions);
-}
-
-// Check that any comparison of idents at monomorphization time is correct
-pub fn check_crate_local_generic<T: MyTrait, U: MyTrait>(t: T, u: U) {
-    test_trait!(check_resolutions);
-    test_trait2!(check_resolutions);
-
-    test_trait!(assert_no_override t);
-    test_trait2!(assert_no_override t);
-    test_trait!(assert_override u);
-    test_trait2!(assert_override u);
-}
diff --git a/src/test/ui/hygiene/auxiliary/my_crate.rs b/src/test/ui/hygiene/auxiliary/my_crate.rs
deleted file mode 100644
index cdc6c27d8..000000000
--- a/src/test/ui/hygiene/auxiliary/my_crate.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub fn f() {}
diff --git a/src/test/ui/hygiene/auxiliary/needs_hygiene.rs b/src/test/ui/hygiene/auxiliary/needs_hygiene.rs
deleted file mode 100644
index 3df6450fd..000000000
--- a/src/test/ui/hygiene/auxiliary/needs_hygiene.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-#![feature(decl_macro)]
-macro x() { struct MyStruct; }
-
-x!();
-x!();
diff --git a/src/test/ui/hygiene/auxiliary/nested-dollar-crate.rs b/src/test/ui/hygiene/auxiliary/nested-dollar-crate.rs
deleted file mode 100644
index e5caa0f9c..000000000
--- a/src/test/ui/hygiene/auxiliary/nested-dollar-crate.rs
+++ /dev/null
@@ -1,14 +0,0 @@
-pub const IN_DEF_CRATE: &str = "In def crate!";
-
-macro_rules! make_it {
-    () => {
-        #[macro_export]
-        macro_rules! inner {
-            () => {
-                $crate::IN_DEF_CRATE
-            }
-        }
-    }
-}
-
-make_it!();
diff --git a/src/test/ui/hygiene/auxiliary/not-libstd.rs b/src/test/ui/hygiene/auxiliary/not-libstd.rs
deleted file mode 100644
index babba293d..000000000
--- a/src/test/ui/hygiene/auxiliary/not-libstd.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub fn not_in_lib_std() {}
diff --git a/src/test/ui/hygiene/auxiliary/opaque-hygiene.rs b/src/test/ui/hygiene/auxiliary/opaque-hygiene.rs
deleted file mode 100644
index 7730f91bd..000000000
--- a/src/test/ui/hygiene/auxiliary/opaque-hygiene.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-// force-host
-// no-prefer-dynamic
-
-#![feature(proc_macro_quote)]
-#![crate_type = "proc-macro"]
-
-extern crate proc_macro;
-use proc_macro::{TokenStream, quote};
-
-#[proc_macro]
-pub fn make_it(input: TokenStream) -> TokenStream {
-    // `quote!` applies def-site hygiene
-    quote! {
-        trait Foo {
-            fn my_fn(&self) {}
-        }
-
-        impl<T> Foo for T {}
-        "a".my_fn();
-    }
-}
diff --git a/src/test/ui/hygiene/auxiliary/pub_hygiene.rs b/src/test/ui/hygiene/auxiliary/pub_hygiene.rs
deleted file mode 100644
index 47e76a629..000000000
--- a/src/test/ui/hygiene/auxiliary/pub_hygiene.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-#![feature(decl_macro)]
-
-macro x() {
-    pub struct MyStruct;
-}
-
-x!();
diff --git a/src/test/ui/hygiene/auxiliary/stdlib-prelude.rs b/src/test/ui/hygiene/auxiliary/stdlib-prelude.rs
deleted file mode 100644
index 81b0b7faa..000000000
--- a/src/test/ui/hygiene/auxiliary/stdlib-prelude.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-#![feature(decl_macro)]
-
-pub macro stdlib_macro() {}
diff --git a/src/test/ui/hygiene/auxiliary/transparent-basic.rs b/src/test/ui/hygiene/auxiliary/transparent-basic.rs
deleted file mode 100644
index 37de27ee8..000000000
--- a/src/test/ui/hygiene/auxiliary/transparent-basic.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-#![feature(decl_macro, rustc_attrs)]
-
-#[rustc_macro_transparency = "transparent"]
-pub macro dollar_crate() {
-    let s = $crate::S;
-}
diff --git a/src/test/ui/hygiene/auxiliary/unhygienic_example.rs b/src/test/ui/hygiene/auxiliary/unhygienic_example.rs
deleted file mode 100644
index 8e6e8f9b3..000000000
--- a/src/test/ui/hygiene/auxiliary/unhygienic_example.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-#![crate_type = "lib"]
-
-extern crate my_crate;
-
-pub fn g() {} // (a)
-
-#[macro_export]
-macro_rules! unhygienic_macro {
-    () => {
-        // (1) unhygienic: depends on `my_crate` in the crate root at the invocation site.
-        ::my_crate::f();
-
-        // (2) unhygienic: defines `f` at the invocation site (in addition to the above point).
-        use my_crate::f;
-        f();
-
-        g(); // (3) unhygienic: `g` needs to be in scope at use site.
-
-        $crate::g(); // (4) hygienic: this always resolves to (a)
-    }
-}
-
-#[allow(unused)]
-fn test_unhygienic() {
-    unhygienic_macro!();
-    f(); // `f` was defined at the use site
-}
diff --git a/src/test/ui/hygiene/auxiliary/use_by_macro.rs b/src/test/ui/hygiene/auxiliary/use_by_macro.rs
deleted file mode 100644
index 791cf0358..000000000
--- a/src/test/ui/hygiene/auxiliary/use_by_macro.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-#![feature(decl_macro)]
-
-macro x($macro_name:ident) {
-    #[macro_export]
-    macro_rules! $macro_name {
-        (define) => {
-            pub struct MyStruct;
-        };
-        (create) => {
-            MyStruct {}
-        };
-    }
-}
-
-x!(my_struct);
diff --git a/src/test/ui/hygiene/auxiliary/variants.rs b/src/test/ui/hygiene/auxiliary/variants.rs
deleted file mode 100644
index dbfcce17d..000000000
--- a/src/test/ui/hygiene/auxiliary/variants.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-#![feature(decl_macro)]
-
-#[rustfmt::skip]
-macro x($macro_name:ident, $macro2_name:ident, $type_name:ident, $variant_name:ident) {
-    #[repr(u8)]
-    pub enum $type_name {
-        Variant = 0,
-        $variant_name = 1,
-    }
-
-    #[macro_export]
-    macro_rules! $macro_name {
-        () => {{
-            assert_eq!($type_name::Variant as u8, 0);
-            assert_eq!($type_name::$variant_name as u8, 1);
-            assert_eq!(<$type_name>::Variant as u8, 0);
-            assert_eq!(<$type_name>::$variant_name as u8, 1);
-        }};
-    }
-
-    pub macro $macro2_name {
-        () => {{
-            assert_eq!($type_name::Variant as u8, 0);
-            assert_eq!($type_name::$variant_name as u8, 1);
-            assert_eq!(<$type_name>::Variant as u8, 0);
-            assert_eq!(<$type_name>::$variant_name as u8, 1);
-        }},
-    }
-}
-
-x!(test_variants, test_variants2, MyEnum, Variant);
-
-pub fn check_variants() {
-    test_variants!();
-    test_variants2!();
-}
diff --git a/src/test/ui/hygiene/auxiliary/xcrate.rs b/src/test/ui/hygiene/auxiliary/xcrate.rs
deleted file mode 100644
index f5a911f57..000000000
--- a/src/test/ui/hygiene/auxiliary/xcrate.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-#![feature(decl_macro)]
-#![allow(unused)]
-
-pub use bar::test;
-
-extern crate std as foo;
-
-pub fn f() {}
-use f as f2;
-
-mod bar {
-    pub fn g() {}
-    use baz::h;
-
-    pub macro test() {
-        use std::mem;
-        use foo::cell;
-        ::f();
-        ::f2();
-        g();
-        h();
-        ::bar::h();
-    }
-}
-
-mod baz {
-    pub fn h() {}
-}
diff --git a/src/test/ui/hygiene/cross-crate-codegen-attrs.rs b/src/test/ui/hygiene/cross-crate-codegen-attrs.rs
deleted file mode 100644
index af6b13343..000000000
--- a/src/test/ui/hygiene/cross-crate-codegen-attrs.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// Make sure that macro expanded codegen attributes work across crates.
-// We used to gensym the identifiers in attributes, which stopped dependent
-// crates from seeing them, resulting in linker errors in cases like this one.
-
-// run-pass
-// aux-build:codegen-attrs.rs
-
-extern crate codegen_attrs;
-
-fn main() {
-    assert_eq!(codegen_attrs::rust_function_name(), 2);
-}
diff --git a/src/test/ui/hygiene/cross-crate-define-and-use.rs b/src/test/ui/hygiene/cross-crate-define-and-use.rs
deleted file mode 100644
index 94f1adff6..000000000
--- a/src/test/ui/hygiene/cross-crate-define-and-use.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// Check that a marco from another crate can define an item in one expansion
-// and use it from another, without it being visible to everyone.
-// This requires that the definition of `my_struct` preserves the hygiene
-// information for the tokens in its definition.
-
-// check-pass
-// aux-build:use_by_macro.rs
-
-#![feature(type_name_of_val)]
-extern crate use_by_macro;
-
-use use_by_macro::*;
-
-enum MyStruct {}
-my_struct!(define);
-
-fn main() {
-    let x = my_struct!(create);
-}
diff --git a/src/test/ui/hygiene/cross-crate-fields.rs b/src/test/ui/hygiene/cross-crate-fields.rs
deleted file mode 100644
index 1bcd64573..000000000
--- a/src/test/ui/hygiene/cross-crate-fields.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-// Test that fields on a struct defined in another crate are resolved correctly
-// their names differ only in `SyntaxContext`.
-
-// run-pass
-// aux-build:fields.rs
-
-extern crate fields;
-
-use fields::*;
-
-fn main() {
-    check_fields_local();
-
-    test_fields!(check_fields);
-    test_fields2!(check_fields);
-
-    let s1 = test_fields!(construct);
-    check_fields(s1);
-    test_fields!(check_fields_of s1);
-
-    let s2 = test_fields2!(construct);
-    check_fields(s2);
-    test_fields2!(check_fields_of s2);
-}
diff --git a/src/test/ui/hygiene/cross-crate-glob-hygiene.rs b/src/test/ui/hygiene/cross-crate-glob-hygiene.rs
deleted file mode 100644
index de5576682..000000000
--- a/src/test/ui/hygiene/cross-crate-glob-hygiene.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// Check that globs cannot import hygienic identifiers from a macro expansion
-// in another crate. `my_struct` is a `macro_rules` macro, so the struct it
-// defines is only not imported because `my_struct` is defined by a macros 2.0
-// macro.
-
-// aux-build:use_by_macro.rs
-
-extern crate use_by_macro;
-
-use use_by_macro::*;
-
-mod m {
-    use use_by_macro::*;
-
-    my_struct!(define);
-}
-
-use m::*;
-
-fn main() {
-    let x = my_struct!(create);
-    //~^ ERROR cannot find struct, variant or union type `MyStruct` in this scope
-}
diff --git a/src/test/ui/hygiene/cross-crate-glob-hygiene.stderr b/src/test/ui/hygiene/cross-crate-glob-hygiene.stderr
deleted file mode 100644
index 7369e77d0..000000000
--- a/src/test/ui/hygiene/cross-crate-glob-hygiene.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-error[E0422]: cannot find struct, variant or union type `MyStruct` in this scope
-  --> $DIR/cross-crate-glob-hygiene.rs:21:13
-   |
-LL |     let x = my_struct!(create);
-   |             ^^^^^^^^^^^^^^^^^^ not found in this scope
-   |
-   = note: this error originates in the macro `my_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0422`.
diff --git a/src/test/ui/hygiene/cross-crate-methods.rs b/src/test/ui/hygiene/cross-crate-methods.rs
deleted file mode 100644
index 0e6f57c33..000000000
--- a/src/test/ui/hygiene/cross-crate-methods.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-// Test that methods defined in another crate are resolved correctly their
-// names differ only in `SyntaxContext`. This also checks that any name
-// resolution done when monomorphizing is correct.
-
-// run-pass
-// aux-build:methods.rs
-
-extern crate methods;
-
-use methods::*;
-
-struct A;
-struct B;
-struct C;
-
-impl MyTrait for A {}
-test_trait!(impl for B);
-test_trait2!(impl for C);
-
-fn main() {
-    check_crate_local();
-    check_crate_local_generic(A, B);
-    check_crate_local_generic(A, C);
-
-    test_trait!(check_resolutions);
-    test_trait2!(check_resolutions);
-    test_trait!(assert_no_override A);
-    test_trait2!(assert_no_override A);
-    test_trait!(assert_override B);
-    test_trait2!(assert_override B);
-    test_trait!(assert_override C);
-    test_trait2!(assert_override C);
-}
diff --git a/src/test/ui/hygiene/cross-crate-name-collision.rs b/src/test/ui/hygiene/cross-crate-name-collision.rs
deleted file mode 100644
index 8f118782f..000000000
--- a/src/test/ui/hygiene/cross-crate-name-collision.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// Check that two items defined in another crate that have identifiers that
-// only differ by `SyntaxContext` do not cause name collisions when imported
-// in another crate.
-
-// check-pass
-// aux-build:needs_hygiene.rs
-
-extern crate needs_hygiene;
-
-use needs_hygiene::*;
-
-fn main() {}
diff --git a/src/test/ui/hygiene/cross-crate-name-hiding-2.rs b/src/test/ui/hygiene/cross-crate-name-hiding-2.rs
deleted file mode 100644
index 3eacd775c..000000000
--- a/src/test/ui/hygiene/cross-crate-name-hiding-2.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// Check that an identifier from a 2.0 macro in another crate cannot be
-// resolved with an identifier that's not from a macro expansion.
-
-// aux-build:use_by_macro.rs
-
-extern crate use_by_macro;
-
-use use_by_macro::*;
-
-my_struct!(define);
-
-fn main() {
-    let x = MyStruct {};
-    //~^ ERROR cannot find struct, variant or union type `MyStruct` in this scope
-}
diff --git a/src/test/ui/hygiene/cross-crate-name-hiding-2.stderr b/src/test/ui/hygiene/cross-crate-name-hiding-2.stderr
deleted file mode 100644
index 46314cdd5..000000000
--- a/src/test/ui/hygiene/cross-crate-name-hiding-2.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0422]: cannot find struct, variant or union type `MyStruct` in this scope
-  --> $DIR/cross-crate-name-hiding-2.rs:13:13
-   |
-LL |     let x = MyStruct {};
-   |             ^^^^^^^^ not found in this scope
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0422`.
diff --git a/src/test/ui/hygiene/cross-crate-name-hiding.rs b/src/test/ui/hygiene/cross-crate-name-hiding.rs
deleted file mode 100644
index dd76ecc57..000000000
--- a/src/test/ui/hygiene/cross-crate-name-hiding.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-// Check that an item defined by a 2.0 macro in another crate cannot be used in
-// another crate.
-
-// aux-build:pub_hygiene.rs
-
-extern crate pub_hygiene;
-
-use pub_hygiene::*;
-
-fn main() {
-    let x = MyStruct {};
-    //~^ ERROR cannot find struct, variant or union type `MyStruct` in this scope
-}
diff --git a/src/test/ui/hygiene/cross-crate-name-hiding.stderr b/src/test/ui/hygiene/cross-crate-name-hiding.stderr
deleted file mode 100644
index f8840c8f8..000000000
--- a/src/test/ui/hygiene/cross-crate-name-hiding.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0422]: cannot find struct, variant or union type `MyStruct` in this scope
-  --> $DIR/cross-crate-name-hiding.rs:11:13
-   |
-LL |     let x = MyStruct {};
-   |             ^^^^^^^^ not found in this scope
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0422`.
diff --git a/src/test/ui/hygiene/cross-crate-redefine.rs b/src/test/ui/hygiene/cross-crate-redefine.rs
deleted file mode 100644
index 3cb06b4ba..000000000
--- a/src/test/ui/hygiene/cross-crate-redefine.rs
+++ /dev/null
@@ -1,14 +0,0 @@
-// Check that items with identical `SyntaxContext` conflict even when that
-// context involves a mark from another crate.
-
-// aux-build:use_by_macro.rs
-
-extern crate use_by_macro;
-
-use use_by_macro::*;
-
-my_struct!(define);
-//~^ ERROR the name `MyStruct` is defined multiple times
-my_struct!(define);
-
-fn main() {}
diff --git a/src/test/ui/hygiene/cross-crate-redefine.stderr b/src/test/ui/hygiene/cross-crate-redefine.stderr
deleted file mode 100644
index 4f1419de4..000000000
--- a/src/test/ui/hygiene/cross-crate-redefine.stderr
+++ /dev/null
@@ -1,15 +0,0 @@
-error[E0428]: the name `MyStruct` is defined multiple times
-  --> $DIR/cross-crate-redefine.rs:10:1
-   |
-LL | my_struct!(define);
-   | ^^^^^^^^^^^^^^^^^^ `MyStruct` redefined here
-LL |
-LL | my_struct!(define);
-   | ------------------ previous definition of the type `MyStruct` here
-   |
-   = note: `MyStruct` must be defined only once in the type namespace of this module
-   = note: this error originates in the macro `my_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0428`.
diff --git a/src/test/ui/hygiene/cross-crate-variants.rs b/src/test/ui/hygiene/cross-crate-variants.rs
deleted file mode 100644
index efc73a21f..000000000
--- a/src/test/ui/hygiene/cross-crate-variants.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-// Test that variants of an enum defined in another crate are resolved
-// correctly when their names differ only in `SyntaxContext`.
-
-// run-pass
-// aux-build:variants.rs
-
-extern crate variants;
-
-use variants::*;
-
-fn main() {
-    check_variants();
-
-    test_variants!();
-    test_variants2!();
-
-    assert_eq!(MyEnum::Variant as u8, 1);
-}
diff --git a/src/test/ui/hygiene/dollar-crate-modern.rs b/src/test/ui/hygiene/dollar-crate-modern.rs
deleted file mode 100644
index eb176fed8..000000000
--- a/src/test/ui/hygiene/dollar-crate-modern.rs
+++ /dev/null
@@ -1,25 +0,0 @@
-// Make sure `$crate` and `crate` work in for basic cases of nested macros.
-
-// check-pass
-// aux-build:intercrate.rs
-
-#![feature(decl_macro)]
-
-extern crate intercrate;
-
-// `$crate`
-intercrate::uses_dollar_crate_modern!();
-
-intercrate::define_uses_dollar_crate_modern_nested!(uses_dollar_crate_modern_nested);
-uses_dollar_crate_modern_nested!();
-
-intercrate::define_uses_dollar_crate_legacy_nested!();
-uses_dollar_crate_legacy_nested!();
-
-// `crate`
-intercrate::uses_crate_modern!();
-
-intercrate::define_uses_crate_modern_nested!(uses_crate_modern_nested);
-uses_crate_modern_nested!();
-
-fn main() {}
diff --git a/src/test/ui/hygiene/duplicate_lifetimes.rs b/src/test/ui/hygiene/duplicate_lifetimes.rs
deleted file mode 100644
index 8971fb626..000000000
--- a/src/test/ui/hygiene/duplicate_lifetimes.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// Ensure that lifetime parameter names are modernized before we check for
-// duplicates.
-
-#![feature(decl_macro, rustc_attrs)]
-
-#[rustc_macro_transparency = "semitransparent"]
-macro m($a:lifetime) {
-    fn g<$a, 'a>() {} //~ ERROR the name `'a` is already used for a generic parameter
-}
-
-#[rustc_macro_transparency = "transparent"]
-macro n($a:lifetime) {
-    fn h<$a, 'a>() {} //~ ERROR the name `'a` is already used for a generic parameter
-}
-
-m!('a);
-n!('a);
-
-fn main() {}
diff --git a/src/test/ui/hygiene/duplicate_lifetimes.stderr b/src/test/ui/hygiene/duplicate_lifetimes.stderr
deleted file mode 100644
index 9f1a75147..000000000
--- a/src/test/ui/hygiene/duplicate_lifetimes.stderr
+++ /dev/null
@@ -1,31 +0,0 @@
-error[E0403]: the name `'a` is already used for a generic parameter in this item's generic parameters
-  --> $DIR/duplicate_lifetimes.rs:8:14
-   |
-LL |     fn g<$a, 'a>() {}
-   |              ^^ already used
-...
-LL | m!('a);
-   | ------
-   | |  |
-   | |  first use of `'a`
-   | in this macro invocation
-   |
-   = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0403]: the name `'a` is already used for a generic parameter in this item's generic parameters
-  --> $DIR/duplicate_lifetimes.rs:13:14
-   |
-LL |     fn h<$a, 'a>() {}
-   |              ^^ already used
-...
-LL | n!('a);
-   | ------
-   | |  |
-   | |  first use of `'a`
-   | in this macro invocation
-   |
-   = note: this error originates in the macro `n` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to 2 previous errors
-
-For more information about this error, try `rustc --explain E0403`.
diff --git a/src/test/ui/hygiene/eager-from-opaque-2.rs b/src/test/ui/hygiene/eager-from-opaque-2.rs
deleted file mode 100644
index 220e55267..000000000
--- a/src/test/ui/hygiene/eager-from-opaque-2.rs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Regression test for the issue #63460.
-
-// check-pass
-
-#[macro_export]
-macro_rules! separator {
-    () => { "/" };
-}
-
-#[macro_export]
-macro_rules! concat_separator {
-    ( $e:literal, $($other:literal),+ ) => {
-        concat!($e, $crate::separator!(), $crate::concat_separator!($($other),+))
-    };
-    ( $e:literal ) => {
-        $e
-    }
-}
-
-fn main() {
-    println!("{}", concat_separator!(2, 3, 4))
-}
diff --git a/src/test/ui/hygiene/eager-from-opaque.rs b/src/test/ui/hygiene/eager-from-opaque.rs
deleted file mode 100644
index 6f3215dd6..000000000
--- a/src/test/ui/hygiene/eager-from-opaque.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Opaque macro can eagerly expand its input without breaking its resolution.
-// Regression test for issue #63685.
-
-// check-pass
-
-macro_rules! foo {
-    () => {
-        "foo"
-    };
-}
-
-macro_rules! bar {
-    () => {
-        foo!()
-    };
-}
-
-fn main() {
-    format_args!(bar!());
-}
diff --git a/src/test/ui/hygiene/expansion-info-reset.rs b/src/test/ui/hygiene/expansion-info-reset.rs
deleted file mode 100644
index fa5f71212..000000000
--- a/src/test/ui/hygiene/expansion-info-reset.rs
+++ /dev/null
@@ -1,4 +0,0 @@
-fn main() {
-    format_args!({ #[derive(Clone)] struct S; });
-    //~^ ERROR format argument must be a string literal
-}
diff --git a/src/test/ui/hygiene/expansion-info-reset.stderr b/src/test/ui/hygiene/expansion-info-reset.stderr
deleted file mode 100644
index 64d27e064..000000000
--- a/src/test/ui/hygiene/expansion-info-reset.stderr
+++ /dev/null
@@ -1,13 +0,0 @@
-error: format argument must be a string literal
-  --> $DIR/expansion-info-reset.rs:2:18
-   |
-LL |     format_args!({ #[derive(Clone)] struct S; });
-   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: you might be missing a string literal to format with
-   |
-LL |     format_args!("{}", { #[derive(Clone)] struct S; });
-   |                  +++++
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/hygiene/extern-prelude-from-opaque-fail.rs b/src/test/ui/hygiene/extern-prelude-from-opaque-fail.rs
deleted file mode 100644
index 571017df4..000000000
--- a/src/test/ui/hygiene/extern-prelude-from-opaque-fail.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-#![feature(decl_macro)]
-
-macro a() {
-    extern crate core as my_core;
-    mod v {
-        // Early resolution.
-        use my_core; //~ ERROR unresolved import `my_core`
-    }
-    mod u {
-        // Late resolution.
-        fn f() { my_core::mem::drop(0); }
-        //~^ ERROR failed to resolve: use of undeclared crate or module `my_core`
-    }
-}
-
-a!();
-
-mod v {
-    // Early resolution.
-    use my_core; //~ ERROR unresolved import `my_core`
-}
-mod u {
-    // Late resolution.
-    fn f() { my_core::mem::drop(0); }
-    //~^ ERROR failed to resolve: use of undeclared crate or module `my_core`
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/extern-prelude-from-opaque-fail.stderr b/src/test/ui/hygiene/extern-prelude-from-opaque-fail.stderr
deleted file mode 100644
index e89c19b58..000000000
--- a/src/test/ui/hygiene/extern-prelude-from-opaque-fail.stderr
+++ /dev/null
@@ -1,41 +0,0 @@
-error[E0432]: unresolved import `my_core`
-  --> $DIR/extern-prelude-from-opaque-fail.rs:20:9
-   |
-LL |     use my_core;
-   |         ^^^^^^^
-   |         |
-   |         no `my_core` in the root
-   |         help: a similar name exists in the module: `my_core`
-
-error[E0432]: unresolved import `my_core`
-  --> $DIR/extern-prelude-from-opaque-fail.rs:7:13
-   |
-LL |         use my_core;
-   |             ^^^^^^^ no `my_core` in the root
-...
-LL | a!();
-   | ---- in this macro invocation
-   |
-   = note: this error originates in the macro `a` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0433]: failed to resolve: use of undeclared crate or module `my_core`
-  --> $DIR/extern-prelude-from-opaque-fail.rs:11:18
-   |
-LL |         fn f() { my_core::mem::drop(0); }
-   |                  ^^^^^^^ use of undeclared crate or module `my_core`
-...
-LL | a!();
-   | ---- in this macro invocation
-   |
-   = note: this error originates in the macro `a` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0433]: failed to resolve: use of undeclared crate or module `my_core`
-  --> $DIR/extern-prelude-from-opaque-fail.rs:24:14
-   |
-LL |     fn f() { my_core::mem::drop(0); }
-   |              ^^^^^^^ use of undeclared crate or module `my_core`
-
-error: aborting due to 4 previous errors
-
-Some errors have detailed explanations: E0432, E0433.
-For more information about an error, try `rustc --explain E0432`.
diff --git a/src/test/ui/hygiene/fields-definition.rs b/src/test/ui/hygiene/fields-definition.rs
deleted file mode 100644
index 173c357bd..000000000
--- a/src/test/ui/hygiene/fields-definition.rs
+++ /dev/null
@@ -1,22 +0,0 @@
-#![feature(decl_macro)]
-
-macro modern($a: ident) {
-    struct Modern {
-        a: u8,
-        $a: u8, // OK
-    }
-}
-
-macro_rules! legacy {
-    ($a: ident) => {
-        struct Legacy {
-            a: u8,
-            $a: u8, //~ ERROR field `a` is already declared
-        }
-    }
-}
-
-modern!(a);
-legacy!(a);
-
-fn main() {}
diff --git a/src/test/ui/hygiene/fields-definition.stderr b/src/test/ui/hygiene/fields-definition.stderr
deleted file mode 100644
index 9d091cedd..000000000
--- a/src/test/ui/hygiene/fields-definition.stderr
+++ /dev/null
@@ -1,16 +0,0 @@
-error[E0124]: field `a` is already declared
-  --> $DIR/fields-definition.rs:14:13
-   |
-LL |             a: u8,
-   |             ----- `a` first declared here
-LL |             $a: u8,
-   |             ^^^^^^ field already declared
-...
-LL | legacy!(a);
-   | ---------- in this macro invocation
-   |
-   = note: this error originates in the macro `legacy` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0124`.
diff --git a/src/test/ui/hygiene/fields-move.rs b/src/test/ui/hygiene/fields-move.rs
deleted file mode 100644
index 401ad97e3..000000000
--- a/src/test/ui/hygiene/fields-move.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-// issue #46314
-
-#![feature(decl_macro)]
-
-#[derive(Debug)]
-struct NonCopy(String);
-
-struct Foo {
-    x: NonCopy,
-}
-
-macro copy_modern($foo: ident) {
-   $foo.x
-}
-
-macro_rules! copy_legacy {
-    ($foo: ident) => {
-        $foo.x //~ ERROR use of moved value: `foo.x`
-    }
-}
-
-fn assert_two_copies(a: NonCopy, b: NonCopy) {
-   println!("Got two copies: {:?}, {:?}", a, b);
-}
-
-fn main() {
-    let foo = Foo { x: NonCopy("foo".into()) };
-    assert_two_copies(copy_modern!(foo), foo.x); //~ ERROR use of moved value: `foo.x`
-    assert_two_copies(copy_legacy!(foo), foo.x); //~ ERROR use of moved value: `foo.x`
-}
diff --git a/src/test/ui/hygiene/fields-move.stderr b/src/test/ui/hygiene/fields-move.stderr
deleted file mode 100644
index b5b507c7d..000000000
--- a/src/test/ui/hygiene/fields-move.stderr
+++ /dev/null
@@ -1,39 +0,0 @@
-error[E0382]: use of moved value: `foo.x`
-  --> $DIR/fields-move.rs:18:9
-   |
-LL |         $foo.x
-   |         ^^^^^^ value used here after move
-...
-LL |     assert_two_copies(copy_modern!(foo), foo.x);
-   |                                          ----- value moved here
-LL |     assert_two_copies(copy_legacy!(foo), foo.x);
-   |                       ----------------- in this macro invocation
-   |
-   = note: move occurs because `foo.x` has type `NonCopy`, which does not implement the `Copy` trait
-   = note: this error originates in the macro `copy_legacy` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0382]: use of moved value: `foo.x`
-  --> $DIR/fields-move.rs:28:42
-   |
-LL |    $foo.x
-   |    ------ value moved here
-...
-LL |     assert_two_copies(copy_modern!(foo), foo.x);
-   |                                          ^^^^^ value used here after move
-   |
-   = note: move occurs because `foo.x` has type `NonCopy`, which does not implement the `Copy` trait
-
-error[E0382]: use of moved value: `foo.x`
-  --> $DIR/fields-move.rs:29:42
-   |
-LL |         $foo.x
-   |         ------ value moved here
-...
-LL |     assert_two_copies(copy_legacy!(foo), foo.x);
-   |                                          ^^^^^ value used here after move
-   |
-   = note: move occurs because `foo.x` has type `NonCopy`, which does not implement the `Copy` trait
-
-error: aborting due to 3 previous errors
-
-For more information about this error, try `rustc --explain E0382`.
diff --git a/src/test/ui/hygiene/fields-numeric-borrowck.rs b/src/test/ui/hygiene/fields-numeric-borrowck.rs
deleted file mode 100644
index 9536babc2..000000000
--- a/src/test/ui/hygiene/fields-numeric-borrowck.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-struct S(u8);
-
-fn main() {
-    let mut s = S(0);
-    let borrow1 = &mut s.0;
-    let S { 0: ref mut borrow2 } = s;
-    //~^ ERROR cannot borrow `s.0` as mutable more than once at a time
-    borrow2.use_mut();
-    borrow1.use_mut();
-}
-
-trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
-impl<T> Fake for T { }
diff --git a/src/test/ui/hygiene/fields-numeric-borrowck.stderr b/src/test/ui/hygiene/fields-numeric-borrowck.stderr
deleted file mode 100644
index bc13aa62f..000000000
--- a/src/test/ui/hygiene/fields-numeric-borrowck.stderr
+++ /dev/null
@@ -1,14 +0,0 @@
-error[E0499]: cannot borrow `s.0` as mutable more than once at a time
-  --> $DIR/fields-numeric-borrowck.rs:6:16
-   |
-LL |     let borrow1 = &mut s.0;
-   |                   -------- first mutable borrow occurs here
-LL |     let S { 0: ref mut borrow2 } = s;
-   |                ^^^^^^^^^^^^^^^ second mutable borrow occurs here
-...
-LL |     borrow1.use_mut();
-   |     ----------------- first borrow later used here
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0499`.
diff --git a/src/test/ui/hygiene/fields.rs b/src/test/ui/hygiene/fields.rs
deleted file mode 100644
index 7a417b46f..000000000
--- a/src/test/ui/hygiene/fields.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-
-mod foo {
-    struct S { x: u32 }
-    struct T(u32);
-
-    pub macro m($S:ident, $x:ident) {{
-        struct $S {
-            $x: u32,
-            x: i32,
-        }
-
-        let s = S { x: 0 }; //~ ERROR type `foo::S` is private
-        let _ = s.x; //~ ERROR type `foo::S` is private
-
-        let t = T(0); //~ ERROR type `T` is private
-        let _ = t.0; //~ ERROR type `T` is private
-
-        let s = $S { $x: 0, x: 1 };
-        assert_eq!((s.$x, s.x), (0, 1));
-        s
-    }}
-}
-
-fn main() {
-    let s = foo::m!(S, x);
-    assert_eq!(s.x, 0);
-}
diff --git a/src/test/ui/hygiene/fields.stderr b/src/test/ui/hygiene/fields.stderr
deleted file mode 100644
index 978120b1f..000000000
--- a/src/test/ui/hygiene/fields.stderr
+++ /dev/null
@@ -1,46 +0,0 @@
-error: type `foo::S` is private
-  --> $DIR/fields.rs:15:17
-   |
-LL |         let s = S { x: 0 };
-   |                 ^^^^^^^^^^ private type
-...
-LL |     let s = foo::m!(S, x);
-   |             ------------- in this macro invocation
-   |
-   = note: this error originates in the macro `foo::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: type `foo::S` is private
-  --> $DIR/fields.rs:16:17
-   |
-LL |         let _ = s.x;
-   |                 ^ private type
-...
-LL |     let s = foo::m!(S, x);
-   |             ------------- in this macro invocation
-   |
-   = note: this error originates in the macro `foo::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: type `T` is private
-  --> $DIR/fields.rs:18:17
-   |
-LL |         let t = T(0);
-   |                 ^^^^ private type
-...
-LL |     let s = foo::m!(S, x);
-   |             ------------- in this macro invocation
-   |
-   = note: this error originates in the macro `foo::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: type `T` is private
-  --> $DIR/fields.rs:19:17
-   |
-LL |         let _ = t.0;
-   |                 ^ private type
-...
-LL |     let s = foo::m!(S, x);
-   |             ------------- in this macro invocation
-   |
-   = note: this error originates in the macro `foo::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to 4 previous errors
-
diff --git a/src/test/ui/hygiene/for-loop.rs b/src/test/ui/hygiene/for-loop.rs
deleted file mode 100644
index 2e5ae43a9..000000000
--- a/src/test/ui/hygiene/for-loop.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-// for-loops are expanded in the front end, and use an `iter` ident in their expansion. Check that
-// `iter` is not accessible inside the for loop.
-
-fn main() {
-    for _ in 0..10 {
-        iter.next();  //~ ERROR cannot find value `iter` in this scope
-    }
-}
diff --git a/src/test/ui/hygiene/for-loop.stderr b/src/test/ui/hygiene/for-loop.stderr
deleted file mode 100644
index 932c951e7..000000000
--- a/src/test/ui/hygiene/for-loop.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0425]: cannot find value `iter` in this scope
-  --> $DIR/for-loop.rs:6:9
-   |
-LL |         iter.next();
-   |         ^^^^ not found in this scope
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0425`.
diff --git a/src/test/ui/hygiene/format-args.rs b/src/test/ui/hygiene/format-args.rs
deleted file mode 100644
index d74889b95..000000000
--- a/src/test/ui/hygiene/format-args.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// check-pass
-
-#![allow(non_upper_case_globals)]
-#![feature(format_args_nl)]
-
-static arg0: () = ();
-
-fn main() {
-    static arg1: () = ();
-    format_args!("{} {:?}", 0, 1);
-    format_args_nl!("{} {:?}", 0, 1);
-}
diff --git a/src/test/ui/hygiene/generate-mod.rs b/src/test/ui/hygiene/generate-mod.rs
deleted file mode 100644
index 882629354..000000000
--- a/src/test/ui/hygiene/generate-mod.rs
+++ /dev/null
@@ -1,49 +0,0 @@
-// This is an equivalent of issue #50504, but for declarative macros.
-
-#![feature(decl_macro, rustc_attrs)]
-
-macro genmod($FromOutside: ident, $Outer: ident) {
-    type A = $FromOutside;
-    struct $Outer;
-    mod inner {
-        type A = $FromOutside; // `FromOutside` shouldn't be available from here
-        type Inner = $Outer; // `Outer` shouldn't be available from here
-    }
-}
-
-#[rustc_macro_transparency = "transparent"]
-macro genmod_transparent() {
-    type A = FromOutside;
-    struct Outer;
-    mod inner {
-        type A = FromOutside; //~ ERROR cannot find type `FromOutside` in this scope
-        type Inner = Outer; //~ ERROR cannot find type `Outer` in this scope
-    }
-}
-
-macro_rules! genmod_legacy { () => {
-    type A = FromOutside;
-    struct Outer;
-    mod inner {
-        type A = FromOutside; //~ ERROR cannot find type `FromOutside` in this scope
-        type Inner = Outer; //~ ERROR cannot find type `Outer` in this scope
-    }
-}}
-
-fn check() {
-    struct FromOutside;
-    genmod!(FromOutside, Outer); //~ ERROR cannot find type `FromOutside` in this scope
-                                 //~| ERROR cannot find type `Outer` in this scope
-}
-
-fn check_transparent() {
-    struct FromOutside;
-    genmod_transparent!();
-}
-
-fn check_legacy() {
-    struct FromOutside;
-    genmod_legacy!();
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/generate-mod.stderr b/src/test/ui/hygiene/generate-mod.stderr
deleted file mode 100644
index 32a2e145c..000000000
--- a/src/test/ui/hygiene/generate-mod.stderr
+++ /dev/null
@@ -1,59 +0,0 @@
-error[E0412]: cannot find type `FromOutside` in this scope
-  --> $DIR/generate-mod.rs:35:13
-   |
-LL |     genmod!(FromOutside, Outer);
-   |             ^^^^^^^^^^^ not found in this scope
-
-error[E0412]: cannot find type `Outer` in this scope
-  --> $DIR/generate-mod.rs:35:26
-   |
-LL |     genmod!(FromOutside, Outer);
-   |                          ^^^^^ not found in this scope
-
-error[E0412]: cannot find type `FromOutside` in this scope
-  --> $DIR/generate-mod.rs:19:18
-   |
-LL |         type A = FromOutside;
-   |                  ^^^^^^^^^^^ not found in this scope
-...
-LL |     genmod_transparent!();
-   |     --------------------- in this macro invocation
-   |
-   = note: this error originates in the macro `genmod_transparent` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0412]: cannot find type `Outer` in this scope
-  --> $DIR/generate-mod.rs:20:22
-   |
-LL |         type Inner = Outer;
-   |                      ^^^^^ not found in this scope
-...
-LL |     genmod_transparent!();
-   |     --------------------- in this macro invocation
-   |
-   = note: this error originates in the macro `genmod_transparent` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0412]: cannot find type `FromOutside` in this scope
-  --> $DIR/generate-mod.rs:28:18
-   |
-LL |         type A = FromOutside;
-   |                  ^^^^^^^^^^^ not found in this scope
-...
-LL |     genmod_legacy!();
-   |     ---------------- in this macro invocation
-   |
-   = note: this error originates in the macro `genmod_legacy` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0412]: cannot find type `Outer` in this scope
-  --> $DIR/generate-mod.rs:29:22
-   |
-LL |         type Inner = Outer;
-   |                      ^^^^^ not found in this scope
-...
-LL |     genmod_legacy!();
-   |     ---------------- in this macro invocation
-   |
-   = note: this error originates in the macro `genmod_legacy` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to 6 previous errors
-
-For more information about this error, try `rustc --explain E0412`.
diff --git a/src/test/ui/hygiene/generic_params.rs b/src/test/ui/hygiene/generic_params.rs
deleted file mode 100644
index 3b6216c3e..000000000
--- a/src/test/ui/hygiene/generic_params.rs
+++ /dev/null
@@ -1,104 +0,0 @@
-// Ensure that generic parameters always have modern hygiene.
-
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro, rustc_attrs)]
-
-mod type_params {
-    macro m($T:ident) {
-        fn f<$T: Clone, T: PartialEq>(t1: $T, t2: T) -> ($T, bool) {
-            (t1.clone(), t2 == t2)
-        }
-    }
-
-    #[rustc_macro_transparency = "semitransparent"]
-    macro n($T:ident) {
-        fn g<$T: Clone>(t1: $T, t2: T) -> (T, $T) {
-            (t1.clone(), t2.clone())
-        }
-        fn h<T: Clone>(t1: $T, t2: T) -> (T, $T) {
-            (t1.clone(), t2.clone())
-        }
-    }
-
-    #[rustc_macro_transparency = "transparent"]
-    macro p($T:ident) {
-        fn j<$T: Clone>(t1: $T, t2: T) -> (T, $T) {
-            (t1.clone(), t2.clone())
-        }
-        fn k<T: Clone>(t1: $T, t2: T) -> (T, $T) {
-            (t1.clone(), t2.clone())
-        }
-    }
-
-    m!(T);
-    n!(T);
-    p!(T);
-}
-
-mod lifetime_params {
-    macro m($a:lifetime) {
-        fn f<'b, 'c, $a: 'b, 'a: 'c>(t1: &$a(), t2: &'a ()) -> (&'b (), &'c ()) {
-            (t1, t2)
-        }
-    }
-
-    #[rustc_macro_transparency = "semitransparent"]
-    macro n($a:lifetime) {
-        fn g<$a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
-            (t1, t2)
-        }
-        fn h<'a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
-            (t1, t2)
-        }
-    }
-
-    #[rustc_macro_transparency = "transparent"]
-    macro p($a:lifetime) {
-        fn j<$a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
-            (t1, t2)
-        }
-        fn k<'a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
-            (t1, t2)
-        }
-    }
-
-    m!('a);
-    n!('a);
-    p!('a);
-}
-
-mod const_params {
-    macro m($C:ident) {
-        fn f<const $C: usize, const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); $C], [(); C]) {
-            (t1, t2)
-        }
-    }
-
-    #[rustc_macro_transparency = "semitransparent"]
-    macro n($C:ident) {
-        fn g<const $C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
-            (t1, t2)
-        }
-        fn h<const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
-            (t1, t2)
-        }
-    }
-
-    #[rustc_macro_transparency = "transparent"]
-    macro p($C:ident) {
-        fn j<const $C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
-            (t1, t2)
-        }
-        fn k<const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
-            (t1, t2)
-        }
-    }
-
-    m!(C);
-    n!(C);
-    p!(C);
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/globs.rs b/src/test/ui/hygiene/globs.rs
deleted file mode 100644
index a3f466ef4..000000000
--- a/src/test/ui/hygiene/globs.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-#![feature(decl_macro)]
-
-mod foo {
-    pub fn f() {}
-}
-
-mod bar {
-    pub fn g() {}
-}
-
-macro m($($t:tt)*) {
-    $($t)*
-    use foo::*;
-    f();
-    g(); //~ ERROR cannot find function `g` in this scope
-}
-
-fn main() {
-    m! {
-        use bar::*;
-        g();
-        f(); //~ ERROR cannot find function `f` in this scope
-    }
-}
-
-n!(f);
-macro n($i:ident) {
-    mod foo {
-        pub fn $i() -> u32 { 0 }
-        pub fn f() {}
-
-        mod test {
-            use super::*;
-            fn g() {
-                let _: u32 = $i();
-                let _: () = f();
-            }
-        }
-
-        macro n($j:ident) {
-            mod test {
-                use super::*;
-                fn g() {
-                    let _: u32 = $i();
-                    let _: () = f();
-                    $j();
-                }
-            }
-        }
-        macro n_with_super($j:ident) {
-            mod test {
-                use super::*;
-                fn g() {
-                    let _: u32 = $i();
-                    let _: () = f();
-                    super::$j();
-                }
-            }
-        }
-
-        n!(f); //~ ERROR cannot find function `f` in this scope
-        n_with_super!(f);
-        mod test2 {
-            super::n! {
-                f //~ ERROR cannot find function `f` in this scope
-            }
-            super::n_with_super! {
-                f
-            }
-        }
-    }
-}
diff --git a/src/test/ui/hygiene/globs.stderr b/src/test/ui/hygiene/globs.stderr
deleted file mode 100644
index 1f2a96a4c..000000000
--- a/src/test/ui/hygiene/globs.stderr
+++ /dev/null
@@ -1,73 +0,0 @@
-error[E0425]: cannot find function `f` in this scope
-  --> $DIR/globs.rs:22:9
-   |
-LL |     pub fn g() {}
-   |     ---------- similarly named function `g` defined here
-...
-LL |         f();
-   |         ^
-   |
-help: a function with a similar name exists
-   |
-LL |         g();
-   |         ~
-help: consider importing this function
-   |
-LL | use foo::f;
-   |
-
-error[E0425]: cannot find function `g` in this scope
-  --> $DIR/globs.rs:15:5
-   |
-LL |       pub fn f() {}
-   |       ---------- similarly named function `f` defined here
-...
-LL |       g();
-   |       ^
-...
-LL | /     m! {
-LL | |         use bar::*;
-LL | |         g();
-LL | |         f();
-LL | |     }
-   | |_____- in this macro invocation
-   |
-   = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: a function with a similar name exists
-   |
-LL |     f();
-   |     ~
-help: consider importing this function
-   |
-LL | use bar::g;
-   |
-
-error[E0425]: cannot find function `f` in this scope
-  --> $DIR/globs.rs:61:12
-   |
-LL | n!(f);
-   | ----- in this macro invocation
-...
-LL |         n!(f);
-   |            ^ not found in this scope
-   |
-   = note: consider importing this function:
-           foo::f
-   = note: this error originates in the macro `n` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0425]: cannot find function `f` in this scope
-  --> $DIR/globs.rs:65:17
-   |
-LL | n!(f);
-   | ----- in this macro invocation
-...
-LL |                 f
-   |                 ^ not found in this scope
-   |
-   = note: consider importing this function:
-           foo::f
-   = note: this error originates in the macro `n` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to 4 previous errors
-
-For more information about this error, try `rustc --explain E0425`.
diff --git a/src/test/ui/hygiene/hir-res-hygiene.rs b/src/test/ui/hygiene/hir-res-hygiene.rs
deleted file mode 100644
index c26cf5fdb..000000000
--- a/src/test/ui/hygiene/hir-res-hygiene.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-// check-pass
-// edition:2018
-// aux-build:not-libstd.rs
-
-// Check that paths created in HIR are not affected by in scope names.
-
-extern crate not_libstd as std;
-
-async fn the_future() {
-    async {}.await;
-}
-
-fn main() -> Result<(), ()> {
-    for i in 0..10 {}
-    for j in 0..=10 {}
-    Ok(())?;
-    Ok(())
-}
diff --git a/src/test/ui/hygiene/hygiene-dodging-1.rs b/src/test/ui/hygiene/hygiene-dodging-1.rs
deleted file mode 100644
index 69e47e82b..000000000
--- a/src/test/ui/hygiene/hygiene-dodging-1.rs
+++ /dev/null
@@ -1,14 +0,0 @@
-// run-pass
-#![allow(unused_must_use)]
-
-mod x {
-    pub fn g() -> usize {14}
-}
-
-pub fn main(){
-    // should *not* shadow the module x:
-    let x = 9;
-    // use it to avoid warnings:
-    x+3;
-    assert_eq!(x::g(),14);
-}
diff --git a/src/test/ui/hygiene/hygiene.rs b/src/test/ui/hygiene/hygiene.rs
deleted file mode 100644
index fb351cf0f..000000000
--- a/src/test/ui/hygiene/hygiene.rs
+++ /dev/null
@@ -1,114 +0,0 @@
-// run-pass
-#![allow(unused)]
-
-fn f() {
-    let x = 0;
-    macro_rules! foo { () => {
-        assert_eq!(x, 0);
-    } }
-
-    let x = 1;
-    foo!();
-}
-
-fn g() {
-    let x = 0;
-    macro_rules! m { ($m1:ident, $m2:ident, $x:ident) => {
-        macro_rules! $m1 { () => { ($x, x) } }
-        let x = 1;
-        macro_rules! $m2 { () => { ($x, x) } }
-    } }
-
-    let x = 2;
-    m!(m2, m3, x);
-
-    let x = 3;
-    assert_eq!(m2!(), (2, 0));
-    assert_eq!(m3!(), (2, 1));
-
-    let x = 4;
-    m!(m4, m5, x);
-    assert_eq!(m4!(), (4, 0));
-    assert_eq!(m5!(), (4, 1));
-}
-
-mod foo {
-    macro_rules! m {
-        ($f:ident : |$x:ident| $e:expr) => {
-            pub fn $f() -> (i32, i32) {
-                let x = 0;
-                let $x = 1;
-                (x, $e)
-            }
-        }
-    }
-
-    m!(f: |x| x + 10);
-}
-
-fn interpolated_pattern() {
-    let x = 0;
-    macro_rules! m {
-        ($p:pat, $e:expr) => {
-            let $p = 1;
-            assert_eq!((x, $e), (0, 1));
-        }
-    }
-
-    m!(x, x);
-}
-
-fn patterns_in_macro_generated_macros() {
-    let x = 0;
-    macro_rules! m {
-        ($a:expr, $b:expr) => {
-            assert_eq!(x, 0);
-            let x = $a;
-            macro_rules! n {
-                () => {
-                    (x, $b)
-                }
-            }
-        }
-    }
-
-    let x = 1;
-    m!(2, x);
-
-    let x = 3;
-    assert_eq!(n!(), (2, 1));
-}
-
-fn match_hygiene() {
-    let x = 0;
-
-    macro_rules! m {
-        ($p:pat, $e:expr) => {
-            for result in &[Ok(1), Err(1)] {
-                match *result {
-                    $p => { assert_eq!(($e, x), (1, 0)); }
-                    Err(x) => { assert_eq!(($e, x), (2, 1)); }
-                }
-            }
-        }
-    }
-
-    let x = 2;
-    m!(Ok(x), x);
-}
-
-fn label_hygiene() {
-    'a: loop {
-        macro_rules! m { () => { break 'a; } }
-        m!();
-    }
-}
-
-fn main() {
-    f();
-    g();
-    assert_eq!(foo::f(), (0, 11));
-    interpolated_pattern();
-    patterns_in_macro_generated_macros();
-    match_hygiene();
-}
diff --git a/src/test/ui/hygiene/hygienic-label-1.rs b/src/test/ui/hygiene/hygienic-label-1.rs
deleted file mode 100644
index a06d9255a..000000000
--- a/src/test/ui/hygiene/hygienic-label-1.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-macro_rules! foo {
-    () => { break 'x; } //~ ERROR use of undeclared label `'x`
-}
-
-pub fn main() {
-    'x: loop { foo!(); }
-}
diff --git a/src/test/ui/hygiene/hygienic-label-1.stderr b/src/test/ui/hygiene/hygienic-label-1.stderr
deleted file mode 100644
index deb6a2059..000000000
--- a/src/test/ui/hygiene/hygienic-label-1.stderr
+++ /dev/null
@@ -1,14 +0,0 @@
-error[E0426]: use of undeclared label `'x`
-  --> $DIR/hygienic-label-1.rs:2:19
-   |
-LL |     () => { break 'x; }
-   |                   ^^ undeclared label `'x`
-...
-LL |     'x: loop { foo!(); }
-   |                ------ in this macro invocation
-   |
-   = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0426`.
diff --git a/src/test/ui/hygiene/hygienic-label-2.rs b/src/test/ui/hygiene/hygienic-label-2.rs
deleted file mode 100644
index 43e01a934..000000000
--- a/src/test/ui/hygiene/hygienic-label-2.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-macro_rules! foo {
-    ($e: expr) => { 'x: loop { $e } }
-}
-
-pub fn main() {
-    foo!(break 'x); //~ ERROR use of undeclared label `'x`
-}
diff --git a/src/test/ui/hygiene/hygienic-label-2.stderr b/src/test/ui/hygiene/hygienic-label-2.stderr
deleted file mode 100644
index f23e741de..000000000
--- a/src/test/ui/hygiene/hygienic-label-2.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0426]: use of undeclared label `'x`
-  --> $DIR/hygienic-label-2.rs:6:16
-   |
-LL |     foo!(break 'x);
-   |                ^^ undeclared label `'x`
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0426`.
diff --git a/src/test/ui/hygiene/hygienic-label-3.rs b/src/test/ui/hygiene/hygienic-label-3.rs
deleted file mode 100644
index ab0559e1b..000000000
--- a/src/test/ui/hygiene/hygienic-label-3.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-macro_rules! foo {
-    () => { break 'x; } //~ ERROR use of undeclared label `'x`
-}
-
-pub fn main() {
-    'x: for _ in 0..1 {
-        foo!();
-    };
-}
diff --git a/src/test/ui/hygiene/hygienic-label-3.stderr b/src/test/ui/hygiene/hygienic-label-3.stderr
deleted file mode 100644
index cf7f78a99..000000000
--- a/src/test/ui/hygiene/hygienic-label-3.stderr
+++ /dev/null
@@ -1,14 +0,0 @@
-error[E0426]: use of undeclared label `'x`
-  --> $DIR/hygienic-label-3.rs:2:19
-   |
-LL |     () => { break 'x; }
-   |                   ^^ undeclared label `'x`
-...
-LL |         foo!();
-   |         ------ in this macro invocation
-   |
-   = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0426`.
diff --git a/src/test/ui/hygiene/hygienic-label-4.rs b/src/test/ui/hygiene/hygienic-label-4.rs
deleted file mode 100644
index a7e1f0e78..000000000
--- a/src/test/ui/hygiene/hygienic-label-4.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-macro_rules! foo {
-    ($e: expr) => { 'x: for _ in 0..1 { $e } }
-}
-
-pub fn main() {
-    foo!(break 'x); //~ ERROR use of undeclared label `'x`
-}
diff --git a/src/test/ui/hygiene/hygienic-label-4.stderr b/src/test/ui/hygiene/hygienic-label-4.stderr
deleted file mode 100644
index 1c93da02f..000000000
--- a/src/test/ui/hygiene/hygienic-label-4.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0426]: use of undeclared label `'x`
-  --> $DIR/hygienic-label-4.rs:6:16
-   |
-LL |     foo!(break 'x);
-   |                ^^ undeclared label `'x`
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0426`.
diff --git a/src/test/ui/hygiene/hygienic-labels-in-let.rs b/src/test/ui/hygiene/hygienic-labels-in-let.rs
deleted file mode 100644
index 8cf66f31a..000000000
--- a/src/test/ui/hygiene/hygienic-labels-in-let.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-// run-pass
-#![allow(unreachable_code)]
-#![allow(unused_labels)]
-
-// Test that labels injected by macros do not break hygiene.  This
-// checks cases where the macros invocations are under the rhs of a
-// let statement.
-
-// Issue #24278: The label/lifetime shadowing checker from #24162
-// conservatively ignores hygiene, and thus issues warnings that are
-// both true- and false-positives for this test.
-
-macro_rules! loop_x {
-    ($e: expr) => {
-        // $e shouldn't be able to interact with this 'x
-        'x: loop {
-            $e
-        }
-    };
-}
-
-macro_rules! while_true {
-    ($e: expr) => {
-        // $e shouldn't be able to interact with this 'x
-        'x: while 1 + 1 == 2 {
-            $e
-        }
-    };
-}
-
-macro_rules! run_once {
-    ($e: expr) => {
-        // ditto
-        'x: for _ in 0..1 {
-            $e
-        }
-    };
-}
-
-pub fn main() {
-    let mut i = 0;
-
-    let j: isize = {
-        'x: loop {
-            // this 'x should refer to the outer loop, lexically
-            loop_x!(break 'x);
-            i += 1;
-        }
-        i + 1
-    };
-    assert_eq!(j, 1);
-
-    let k: isize = {
-        'x: for _ in 0..1 {
-            // ditto
-            loop_x!(break 'x);
-            i += 1;
-        }
-        i + 1
-    };
-    assert_eq!(k, 1);
-
-    let l: isize = {
-        'x: for _ in 0..1 {
-            // ditto
-            while_true!(break 'x);
-            i += 1;
-        }
-        i + 1
-    };
-    assert_eq!(l, 1);
-
-    let n: isize = {
-        'x: for _ in 0..1 {
-            // ditto
-            run_once!(continue 'x);
-            i += 1;
-        }
-        i + 1
-    };
-    assert_eq!(n, 1);
-}
diff --git a/src/test/ui/hygiene/hygienic-labels.rs b/src/test/ui/hygiene/hygienic-labels.rs
deleted file mode 100644
index 6a7d81f04..000000000
--- a/src/test/ui/hygiene/hygienic-labels.rs
+++ /dev/null
@@ -1,60 +0,0 @@
-// run-pass
-#![allow(unreachable_code)]
-#![allow(unused_labels)]
-// Test that labels injected by macros do not break hygiene.
-
-// Issue #24278: The label/lifetime shadowing checker from #24162
-// conservatively ignores hygiene, and thus issues warnings that are
-// both true- and false-positives for this test.
-
-macro_rules! loop_x {
-    ($e: expr) => {
-        // $e shouldn't be able to interact with this 'x
-        'x: loop {
-            $e
-        }
-    };
-}
-
-macro_rules! run_once {
-    ($e: expr) => {
-        // ditto
-        'x: for _ in 0..1 {
-            $e
-        }
-    };
-}
-
-macro_rules! while_x {
-    ($e: expr) => {
-        // ditto
-        'x: while 1 + 1 == 2 {
-            $e
-        }
-    };
-}
-
-pub fn main() {
-    'x: for _ in 0..1 {
-        // this 'x should refer to the outer loop, lexically
-        loop_x!(break 'x);
-        panic!("break doesn't act hygienically inside for loop");
-    }
-
-    'x: loop {
-        // ditto
-        loop_x!(break 'x);
-        panic!("break doesn't act hygienically inside infinite loop");
-    }
-
-    'x: while 1 + 1 == 2 {
-        while_x!(break 'x);
-        panic!("break doesn't act hygienically inside infinite while loop");
-    }
-
-    'x: for _ in 0..1 {
-        // ditto
-        run_once!(continue 'x);
-        panic!("continue doesn't act hygienically inside for loop");
-    }
-}
diff --git a/src/test/ui/hygiene/impl_items-2.rs b/src/test/ui/hygiene/impl_items-2.rs
deleted file mode 100644
index 465e444ae..000000000
--- a/src/test/ui/hygiene/impl_items-2.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-#![feature(decl_macro)]
-
-trait Trait {
-    fn foo() {}
-}
-
-macro trait_impl() {
-    fn foo() {}
-}
-
-// Check that we error on multiple impl items that resolve to the same trait item.
-impl Trait for i32 {
-    trait_impl!();
-    fn foo() {}
-    //~^ ERROR duplicate definitions with name `foo`: [E0201]
-}
-
-struct Type;
-
-// Check that we do not error with inherent impls.
-impl Type {
-    trait_impl!();
-    fn foo() {}
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/impl_items-2.stderr b/src/test/ui/hygiene/impl_items-2.stderr
deleted file mode 100644
index 3c0ffeb10..000000000
--- a/src/test/ui/hygiene/impl_items-2.stderr
+++ /dev/null
@@ -1,15 +0,0 @@
-error[E0201]: duplicate definitions with name `foo`:
-  --> $DIR/impl_items-2.rs:14:5
-   |
-LL |     fn foo() {}
-   |     ----------- item in trait
-...
-LL |     fn foo() {}
-   |     ----------- previous definition here
-...
-LL |     fn foo() {}
-   |     ^^^^^^^^^^^ duplicate definition
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0201`.
diff --git a/src/test/ui/hygiene/impl_items.rs b/src/test/ui/hygiene/impl_items.rs
deleted file mode 100644
index ddb25c06b..000000000
--- a/src/test/ui/hygiene/impl_items.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-
-mod foo {
-    struct S;
-    impl S {
-        fn f(&self) {}
-    }
-
-    pub macro m() {
-        let _: () = S.f(); //~ ERROR type `for<'a> fn(&'a foo::S) {foo::S::f}` is private
-    }
-}
-
-struct S;
-
-macro m($f:ident) {
-    impl S {
-        fn f(&self) -> u32 { 0 }
-        fn $f(&self) -> i32 { 0 }
-    }
-    fn f() {
-        let _: u32 = S.f();
-        let _: i32 = S.$f();
-    }
-}
-
-m!(f);
-
-fn main() {
-    let _: i32 = S.f();
-    foo::m!();
-}
diff --git a/src/test/ui/hygiene/impl_items.stderr b/src/test/ui/hygiene/impl_items.stderr
deleted file mode 100644
index 46a250038..000000000
--- a/src/test/ui/hygiene/impl_items.stderr
+++ /dev/null
@@ -1,13 +0,0 @@
-error: type `for<'a> fn(&'a foo::S) {foo::S::f}` is private
-  --> $DIR/impl_items.rs:12:23
-   |
-LL |         let _: () = S.f();
-   |                       ^ private type
-...
-LL |     foo::m!();
-   |     --------- in this macro invocation
-   |
-   = note: this error originates in the macro `foo::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/hygiene/intercrate.rs b/src/test/ui/hygiene/intercrate.rs
deleted file mode 100644
index d9b5b789e..000000000
--- a/src/test/ui/hygiene/intercrate.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// ignore-pretty pretty-printing is unhygienic
-
-// aux-build:intercrate.rs
-
-#![feature(decl_macro)]
-
-extern crate intercrate;
-
-fn main() {
-    assert_eq!(intercrate::foo::m!(), 1);
-    //~^ ERROR type `fn() -> u32 {foo::bar::f}` is private
-}
diff --git a/src/test/ui/hygiene/intercrate.stderr b/src/test/ui/hygiene/intercrate.stderr
deleted file mode 100644
index 91358b279..000000000
--- a/src/test/ui/hygiene/intercrate.stderr
+++ /dev/null
@@ -1,10 +0,0 @@
-error: type `fn() -> u32 {foo::bar::f}` is private
-  --> $DIR/intercrate.rs:10:16
-   |
-LL |     assert_eq!(intercrate::foo::m!(), 1);
-   |                ^^^^^^^^^^^^^^^^^^^^^ private type
-   |
-   = note: this error originates in the macro `intercrate::foo::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/hygiene/issue-32922.rs b/src/test/ui/hygiene/issue-32922.rs
deleted file mode 100644
index 54ec44a1c..000000000
--- a/src/test/ui/hygiene/issue-32922.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-// check-pass
-
-macro_rules! foo { () => {
-    let x = 1;
-    macro_rules! bar { () => {x} }
-    let _ = bar!();
-}}
-
-macro_rules! m { // test issue #31856
-    ($n:ident) => (
-        let a = 1;
-        let $n = a;
-    )
-}
-
-macro_rules! baz {
-    ($i:ident) => {
-        let mut $i = 2;
-        $i = $i + 1;
-    }
-}
-
-fn main() {
-    foo! {};
-    bar! {};
-
-    let mut a = true;
-    baz!(a);
-}
diff --git a/src/test/ui/hygiene/issue-40847.rs b/src/test/ui/hygiene/issue-40847.rs
deleted file mode 100644
index 087b40ad6..000000000
--- a/src/test/ui/hygiene/issue-40847.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// run-pass
-macro_rules! gen {
-    ($name:ident ( $($dol:tt $var:ident)* ) $($body:tt)*) => {
-        macro_rules! $name {
-            ($($dol $var:ident)*) => {
-                $($body)*
-            }
-        }
-    }
-}
-
-gen!(m($var) $var);
-
-fn main() {
-    let x = 1;
-    assert_eq!(m!(x), 1);
-}
diff --git a/src/test/ui/hygiene/issue-44128.rs b/src/test/ui/hygiene/issue-44128.rs
deleted file mode 100644
index 5e03bdb8c..000000000
--- a/src/test/ui/hygiene/issue-44128.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// check-pass
-#![allow(unused_must_use)]
-#![feature(decl_macro)]
-
-pub macro create_struct($a:ident) {
-    struct $a;
-    impl Clone for $a {
-        fn clone(&self) -> Self {
-            $a
-        }
-    }
-}
-
-fn main() {
-    create_struct!(Test);
-    Test.clone();
-}
diff --git a/src/test/ui/hygiene/issue-47311.rs b/src/test/ui/hygiene/issue-47311.rs
deleted file mode 100644
index 5c2379a8a..000000000
--- a/src/test/ui/hygiene/issue-47311.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-#![allow(unused)]
-
-macro m($S:ident, $x:ident) {
-    $S { $x: 0 }
-}
-
-mod foo {
-    struct S { x: i32 }
-
-    fn f() { ::m!(S, x); }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/issue-47312.rs b/src/test/ui/hygiene/issue-47312.rs
deleted file mode 100644
index bbcb3a7f3..000000000
--- a/src/test/ui/hygiene/issue-47312.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-#![allow(unused)]
-
-mod foo {
-    pub macro m($s:tt, $i:tt) {
-        $s.$i
-    }
-}
-
-mod bar {
-    struct S(i32);
-    fn f() {
-        let s = S(0);
-        ::foo::m!(s, 0);
-    }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/issue-61574-const-parameters.rs b/src/test/ui/hygiene/issue-61574-const-parameters.rs
deleted file mode 100644
index 3634ee004..000000000
--- a/src/test/ui/hygiene/issue-61574-const-parameters.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-// A more comprehensive test that const parameters have correctly implemented
-// hygiene
-
-// check-pass
-
-use std::ops::Add;
-
-struct VectorLike<T, const SIZE: usize>([T; {SIZE}]);
-
-macro_rules! impl_operator_overload {
-    ($trait_ident:ident, $method_ident:ident) => {
-
-        impl<T, const SIZE: usize> $trait_ident for VectorLike<T, {SIZE}>
-        where
-            T: $trait_ident,
-        {
-            type Output = VectorLike<T, {SIZE}>;
-
-            fn $method_ident(self, _: VectorLike<T, {SIZE}>) -> VectorLike<T, {SIZE}> {
-                let _ = SIZE;
-                unimplemented!()
-            }
-        }
-
-    }
-}
-
-impl_operator_overload!(Add, add);
-
-fn main() {}
diff --git a/src/test/ui/hygiene/issue-77523-def-site-async-await.rs b/src/test/ui/hygiene/issue-77523-def-site-async-await.rs
deleted file mode 100644
index 2af60ff6f..000000000
--- a/src/test/ui/hygiene/issue-77523-def-site-async-await.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// build-pass
-// aux-build:opaque-hygiene.rs
-// aux-build:def-site-async-await.rs
-
-// Regression test for issue #77523
-// Tests that we don't ICE when an unusual combination
-// of def-site hygiene and cross-crate monomorphization occurs.
-
-extern crate def_site_async_await;
-
-use std::future::Future;
-
-fn mk_ctxt() -> std::task::Context<'static> {
-    panic!()
-}
-
-fn main() {
-    Box::pin(def_site_async_await::serve()).as_mut().poll(&mut mk_ctxt());
-}
diff --git a/src/test/ui/hygiene/items.rs b/src/test/ui/hygiene/items.rs
deleted file mode 100644
index 1c625a972..000000000
--- a/src/test/ui/hygiene/items.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-
-pub macro m($foo:ident, $f:ident, $e:expr) {
-    mod foo {
-        pub fn f() -> u32 { 0 }
-        pub fn $f() -> u64 { 0 }
-    }
-
-    mod $foo {
-        pub fn f() -> i32 { 0 }
-        pub fn $f() -> i64 { 0  }
-    }
-
-    let _: u32 = foo::f();
-    let _: u64 = foo::$f();
-    let _: i32 = $foo::f();
-    let _: i64 = $foo::$f();
-    let _: i64 = $e;
-}
-
-fn main() {
-    m!(foo, f, foo::f());
-    let _: i64 = foo::f();
-}
diff --git a/src/test/ui/hygiene/lambda-var-hygiene.rs b/src/test/ui/hygiene/lambda-var-hygiene.rs
deleted file mode 100644
index bf06765e5..000000000
--- a/src/test/ui/hygiene/lambda-var-hygiene.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// run-pass
-// shouldn't affect evaluation of $ex:
-macro_rules! bad_macro {
-    ($ex:expr) => ({(|_x| { $ex }) (9) })
-}
-
-fn takes_x(_x : isize) {
-    assert_eq!(bad_macro!(_x),8);
-}
-fn main() {
-    takes_x(8);
-}
diff --git a/src/test/ui/hygiene/legacy_interaction.rs b/src/test/ui/hygiene/legacy_interaction.rs
deleted file mode 100644
index 52008eed5..000000000
--- a/src/test/ui/hygiene/legacy_interaction.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-// check-pass
-#![allow(dead_code)]
-// ignore-pretty pretty-printing is unhygienic
-
-// aux-build:legacy_interaction.rs
-
-#![feature(decl_macro)]
-#[allow(unused)]
-
-extern crate legacy_interaction;
-// ^ defines
-// ```rust
-//  macro_rules! m {
-//     () => {
-//         fn f() {} // (1)
-//         g() // (2)
-//     }
-// }
-// ```rust
-
-mod def_site {
-    // Unless this macro opts out of hygiene, it should resolve the same wherever it is invoked.
-    pub macro m2() {
-        ::legacy_interaction::m!();
-        f(); // This should resolve to (1)
-        fn g() {} // We want (2) resolve to this, not to (4)
-    }
-}
-
-mod use_site {
-    fn test() {
-        fn f() -> bool { true } // (3)
-        fn g() -> bool { true } // (4)
-
-        ::def_site::m2!();
-
-        let _: bool = f(); // This should resolve to (3)
-        let _: bool = g(); // This should resolve to (4)
-    }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/lexical.rs b/src/test/ui/hygiene/lexical.rs
deleted file mode 100644
index 3d25c7209..000000000
--- a/src/test/ui/hygiene/lexical.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-
-mod bar {
-    mod baz {
-        pub fn f() {}
-    }
-
-    pub macro m($f:ident) {
-        baz::f();
-        let _: i32 = $f();
-        {
-            fn $f() -> u32 { 0 }
-            let _: u32 = $f();
-        }
-    }
-}
-
-fn main() {
-    fn f() -> i32 { 0 }
-    bar::m!(f);
-}
diff --git a/src/test/ui/hygiene/local_inner_macros.rs b/src/test/ui/hygiene/local_inner_macros.rs
deleted file mode 100644
index 71ffcac40..000000000
--- a/src/test/ui/hygiene/local_inner_macros.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// check-pass
-// aux-build:local_inner_macros.rs
-
-extern crate local_inner_macros;
-
-use local_inner_macros::{public_macro, public_macro_dynamic};
-
-public_macro!();
-
-macro_rules! local_helper {
-    () => ( struct Z; )
-}
-
-public_macro_dynamic!(local_helper);
-
-fn main() {
-    let s = S;
-    let z = Z;
-}
diff --git a/src/test/ui/hygiene/macro-metavars-legacy.rs b/src/test/ui/hygiene/macro-metavars-legacy.rs
deleted file mode 100644
index 09070f0f5..000000000
--- a/src/test/ui/hygiene/macro-metavars-legacy.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-// Ensure macro metavariables are compared with legacy hygiene
-
-#![feature(rustc_attrs)]
-
-// run-pass
-
-macro_rules! make_mac {
-    ( $($dollar:tt $arg:ident),+ ) => {
-        macro_rules! mac {
-            ( $($dollar $arg : ident),+ ) => {
-                $( $dollar $arg )-+
-            }
-        }
-    }
-}
-
-macro_rules! show_hygiene {
-    ( $dollar:tt $arg:ident ) => {
-        make_mac!($dollar $arg, $dollar arg);
-    }
-}
-
-show_hygiene!( $arg );
-
-fn main() {
-    let x = 5;
-    let y = 3;
-    assert_eq!(2, mac!(x, y));
-}
diff --git a/src/test/ui/hygiene/macro-metavars-transparent.rs b/src/test/ui/hygiene/macro-metavars-transparent.rs
deleted file mode 100644
index e475b5728..000000000
--- a/src/test/ui/hygiene/macro-metavars-transparent.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-// Ensure macro metavariables are not compared without removing transparent
-// marks.
-
-#![feature(rustc_attrs)]
-
-// run-pass
-
-#[rustc_macro_transparency = "transparent"]
-macro_rules! k {
-    ($($s:tt)*) => {
-        macro_rules! m {
-            ($y:tt) => {
-                $($s)*
-            }
-        }
-    }
-}
-
-k!(1 + $y);
-
-fn main() {
-    let x = 2;
-    assert_eq!(3, m!(x));
-}
diff --git a/src/test/ui/hygiene/missing-self-diag.rs b/src/test/ui/hygiene/missing-self-diag.rs
deleted file mode 100644
index f934f793c..000000000
--- a/src/test/ui/hygiene/missing-self-diag.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// Regression test for issue #66898
-// Tests that we don't emit a nonsensical error message
-// when a macro invocation tries to access `self` from a function
-// that has a 'self' parameter
-
-pub struct Foo;
-
-macro_rules! call_bar {
-    () => {
-        self.bar(); //~ ERROR expected value
-    }
-}
-
-impl Foo {
-    pub fn foo(&self) {
-        call_bar!();
-    }
-
-    pub fn bar(&self) {
-    }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/missing-self-diag.stderr b/src/test/ui/hygiene/missing-self-diag.stderr
deleted file mode 100644
index 690bcd032..000000000
--- a/src/test/ui/hygiene/missing-self-diag.stderr
+++ /dev/null
@@ -1,17 +0,0 @@
-error[E0424]: expected value, found module `self`
-  --> $DIR/missing-self-diag.rs:10:9
-   |
-LL |           self.bar();
-   |           ^^^^ `self` value is a keyword only available in methods with a `self` parameter
-...
-LL | /     pub fn foo(&self) {
-LL | |         call_bar!();
-   | |         ----------- in this macro invocation
-LL | |     }
-   | |_____- this function has a `self` parameter, but a macro invocation can only access identifiers it receives from parameters
-   |
-   = note: this error originates in the macro `call_bar` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0424`.
diff --git a/src/test/ui/hygiene/nested-dollar-crate.rs b/src/test/ui/hygiene/nested-dollar-crate.rs
deleted file mode 100644
index e8703bc77..000000000
--- a/src/test/ui/hygiene/nested-dollar-crate.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// aux-build:nested-dollar-crate.rs
-// edition:2018
-// run-pass
-
-extern crate nested_dollar_crate;
-
-fn main() {
-    assert_eq!(nested_dollar_crate::inner!(), "In def crate!");
-}
diff --git a/src/test/ui/hygiene/nested_macro_privacy.rs b/src/test/ui/hygiene/nested_macro_privacy.rs
deleted file mode 100644
index dea9101ee..000000000
--- a/src/test/ui/hygiene/nested_macro_privacy.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![feature(decl_macro)]
-
-macro n($foo:ident, $S:ident, $i:ident, $m:ident) {
-    mod $foo {
-        #[derive(Default)]
-        pub struct $S { $i: u32 }
-        pub macro $m($e:expr) { $e.$i }
-    }
-}
-
-n!(foo, S, i, m);
-
-fn main() {
-    use foo::{S, m};
-    S::default().i; //~ ERROR field `i` of struct `S` is private
-    m!(S::default()); // ok
-}
diff --git a/src/test/ui/hygiene/nested_macro_privacy.stderr b/src/test/ui/hygiene/nested_macro_privacy.stderr
deleted file mode 100644
index 1d11cd0f5..000000000
--- a/src/test/ui/hygiene/nested_macro_privacy.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0616]: field `i` of struct `S` is private
-  --> $DIR/nested_macro_privacy.rs:15:18
-   |
-LL |     S::default().i;
-   |                  ^ private field
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0616`.
diff --git a/src/test/ui/hygiene/no_implicit_prelude-2018.rs b/src/test/ui/hygiene/no_implicit_prelude-2018.rs
deleted file mode 100644
index 83ca28167..000000000
--- a/src/test/ui/hygiene/no_implicit_prelude-2018.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-// edition:2018
-
-#[no_implicit_prelude]
-mod bar {
-    fn f() {
-        ::std::print!(""); // OK
-        print!(); //~ ERROR cannot find macro `print` in this scope
-    }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/no_implicit_prelude-2018.stderr b/src/test/ui/hygiene/no_implicit_prelude-2018.stderr
deleted file mode 100644
index 02ddc391f..000000000
--- a/src/test/ui/hygiene/no_implicit_prelude-2018.stderr
+++ /dev/null
@@ -1,11 +0,0 @@
-error: cannot find macro `print` in this scope
-  --> $DIR/no_implicit_prelude-2018.rs:7:9
-   |
-LL |         print!();
-   |         ^^^^^
-   |
-   = note: consider importing this macro:
-           std::print
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/hygiene/no_implicit_prelude-2021.rs b/src/test/ui/hygiene/no_implicit_prelude-2021.rs
deleted file mode 100644
index 0fe9ae56c..000000000
--- a/src/test/ui/hygiene/no_implicit_prelude-2021.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// check-pass
-// edition:2021
-
-#![no_implicit_prelude]
-
-fn main() {
-    assert!(true, "hoi");
-    assert!(false, "hoi {}", 123);
-}
diff --git a/src/test/ui/hygiene/no_implicit_prelude.rs b/src/test/ui/hygiene/no_implicit_prelude.rs
deleted file mode 100644
index e23826e9d..000000000
--- a/src/test/ui/hygiene/no_implicit_prelude.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-#![feature(decl_macro)]
-
-mod foo {
-    pub macro m() { Vec::<i32>::new(); ().clone() }
-    fn f() { ::bar::m!(); }
-}
-
-#[no_implicit_prelude]
-mod bar {
-    pub macro m() {
-        Vec::new(); //~ ERROR failed to resolve
-        ().clone() //~ ERROR no method named `clone` found
-    }
-    fn f() {
-        ::foo::m!();
-        assert!(true);
-    }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/no_implicit_prelude.stderr b/src/test/ui/hygiene/no_implicit_prelude.stderr
deleted file mode 100644
index c48c84035..000000000
--- a/src/test/ui/hygiene/no_implicit_prelude.stderr
+++ /dev/null
@@ -1,35 +0,0 @@
-error[E0433]: failed to resolve: use of undeclared type `Vec`
-  --> $DIR/no_implicit_prelude.rs:11:9
-   |
-LL |     fn f() { ::bar::m!(); }
-   |              ----------- in this macro invocation
-...
-LL |         Vec::new();
-   |         ^^^ use of undeclared type `Vec`
-   |
-   = note: this error originates in the macro `::bar::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider importing this struct
-   |
-LL |     use std::vec::Vec;
-   |
-
-error[E0599]: no method named `clone` found for unit type `()` in the current scope
-  --> $DIR/no_implicit_prelude.rs:12:12
-   |
-LL |     fn f() { ::bar::m!(); }
-   |              ----------- in this macro invocation
-...
-LL |         ().clone()
-   |            ^^^^^ method not found in `()`
-   |
-   = help: items from traits can only be used if the trait is in scope
-   = note: this error originates in the macro `::bar::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: the following trait is implemented but not in scope; perhaps add a `use` for it:
-   |
-LL |     use std::clone::Clone;
-   |
-
-error: aborting due to 2 previous errors
-
-Some errors have detailed explanations: E0433, E0599.
-For more information about an error, try `rustc --explain E0433`.
diff --git a/src/test/ui/hygiene/panic-location.rs b/src/test/ui/hygiene/panic-location.rs
deleted file mode 100644
index 5cf169dfb..000000000
--- a/src/test/ui/hygiene/panic-location.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-// run-fail
-// check-run-results
-// exec-env:RUST_BACKTRACE=0
-//
-// Regression test for issue #70963
-// The captured stderr from this test reports a location
-// inside `VecDeque::with_capacity`, instead of `<::core::macros::panic macros>`
-fn main() {
-    std::collections::VecDeque::<String>::with_capacity(!0);
-}
diff --git a/src/test/ui/hygiene/panic-location.run.stderr b/src/test/ui/hygiene/panic-location.run.stderr
deleted file mode 100644
index 0b23b1cc2..000000000
--- a/src/test/ui/hygiene/panic-location.run.stderr
+++ /dev/null
@@ -1,2 +0,0 @@
-thread 'main' panicked at 'capacity overflow', library/alloc/src/raw_vec.rs:518:5
-note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
diff --git a/src/test/ui/hygiene/pattern-macro.rs b/src/test/ui/hygiene/pattern-macro.rs
deleted file mode 100644
index e5d6a3aa1..000000000
--- a/src/test/ui/hygiene/pattern-macro.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-macro_rules! foo { () => ( x ) }
-
-fn main() {
-    let foo!() = 2;
-    x + 1; //~ ERROR cannot find value `x` in this scope
-}
diff --git a/src/test/ui/hygiene/pattern-macro.stderr b/src/test/ui/hygiene/pattern-macro.stderr
deleted file mode 100644
index edd05916e..000000000
--- a/src/test/ui/hygiene/pattern-macro.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0425]: cannot find value `x` in this scope
-  --> $DIR/pattern-macro.rs:5:5
-   |
-LL |     x + 1;
-   |     ^ not found in this scope
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0425`.
diff --git a/src/test/ui/hygiene/prelude-import-hygiene.rs b/src/test/ui/hygiene/prelude-import-hygiene.rs
deleted file mode 100644
index 51e7bed65..000000000
--- a/src/test/ui/hygiene/prelude-import-hygiene.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-// Make sure that attribute used when injecting the prelude are resolved
-// hygienically.
-
-// check-pass
-// aux-build:not-libstd.rs
-
-//revisions: rust2015 rust2018
-//[rust2018] edition:2018
-
-// The prelude import shouldn't see these as candidates for when it's trying to
-// use the built-in macros.
-extern crate core;
-use core::prelude::v1::test as prelude_import;
-use core::prelude::v1::test as macro_use;
-
-// Should not be used for the prelude import - not a concern in the 2015 edition
-// because `std` is already declared in the crate root.
-#[cfg(rust2018)]
-extern crate not_libstd as std;
-
-#[cfg(rust2018)]
-mod x {
-    // The extern crate item should override `std` in the extern prelude.
-    fn f() {
-        std::not_in_lib_std();
-    }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/privacy-early.rs b/src/test/ui/hygiene/privacy-early.rs
deleted file mode 100644
index 58fc74d65..000000000
--- a/src/test/ui/hygiene/privacy-early.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// edition:2018
-
-#![feature(decl_macro)]
-
-mod foo {
-    fn f() {}
-    macro f() {}
-
-    pub macro m() {
-        use f as g; //~ ERROR `f` is private, and cannot be re-exported
-        f!();
-    }
-}
-
-fn main() {
-    foo::m!();
-}
diff --git a/src/test/ui/hygiene/privacy-early.stderr b/src/test/ui/hygiene/privacy-early.stderr
deleted file mode 100644
index 0375ed56d..000000000
--- a/src/test/ui/hygiene/privacy-early.stderr
+++ /dev/null
@@ -1,22 +0,0 @@
-error[E0364]: `f` is private, and cannot be re-exported
-  --> $DIR/privacy-early.rs:10:13
-   |
-LL |         use f as g;
-   |             ^^^^^^
-...
-LL |     foo::m!();
-   |     --------- in this macro invocation
-   |
-note: consider marking `f` as `pub` in the imported module
-  --> $DIR/privacy-early.rs:10:13
-   |
-LL |         use f as g;
-   |             ^^^^^^
-...
-LL |     foo::m!();
-   |     --------- in this macro invocation
-   = note: this error originates in the macro `foo::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0364`.
diff --git a/src/test/ui/hygiene/privacy.rs b/src/test/ui/hygiene/privacy.rs
deleted file mode 100644
index 78d255553..000000000
--- a/src/test/ui/hygiene/privacy.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-#![feature(decl_macro)]
-
-mod foo {
-    fn f() {}
-
-    pub macro m($e:expr) {
-        f();
-        self::f();
-        ::foo::f();
-        $e
-    }
-}
-
-fn main() {
-    foo::m!(
-        foo::f() //~ ERROR `f` is private
-    );
-}
diff --git a/src/test/ui/hygiene/privacy.stderr b/src/test/ui/hygiene/privacy.stderr
deleted file mode 100644
index 70a24304d..000000000
--- a/src/test/ui/hygiene/privacy.stderr
+++ /dev/null
@@ -1,15 +0,0 @@
-error[E0603]: function `f` is private
-  --> $DIR/privacy.rs:16:14
-   |
-LL |         foo::f()
-   |              ^ private function
-   |
-note: the function `f` is defined here
-  --> $DIR/privacy.rs:4:5
-   |
-LL |     fn f() {}
-   |     ^^^^^^
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0603`.
diff --git a/src/test/ui/hygiene/rustc-macro-transparency.rs b/src/test/ui/hygiene/rustc-macro-transparency.rs
deleted file mode 100644
index 5f36993af..000000000
--- a/src/test/ui/hygiene/rustc-macro-transparency.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-#![feature(decl_macro, rustc_attrs)]
-
-#[rustc_macro_transparency = "transparent"]
-macro transparent() {
-    struct Transparent;
-    let transparent = 0;
-}
-#[rustc_macro_transparency = "semitransparent"]
-macro semitransparent() {
-    struct SemiTransparent;
-    let semitransparent = 0;
-}
-#[rustc_macro_transparency = "opaque"]
-macro opaque() {
-    struct Opaque;
-    let opaque = 0;
-}
-
-fn main() {
-    transparent!();
-    semitransparent!();
-    opaque!();
-
-    Transparent; // OK
-    SemiTransparent; // OK
-    Opaque; //~ ERROR cannot find value `Opaque` in this scope
-
-    transparent; // OK
-    semitransparent; //~ ERROR expected value, found macro `semitransparent`
-    opaque; //~ ERROR expected value, found macro `opaque`
-}
diff --git a/src/test/ui/hygiene/rustc-macro-transparency.stderr b/src/test/ui/hygiene/rustc-macro-transparency.stderr
deleted file mode 100644
index 1d2a1e124..000000000
--- a/src/test/ui/hygiene/rustc-macro-transparency.stderr
+++ /dev/null
@@ -1,28 +0,0 @@
-error[E0425]: cannot find value `Opaque` in this scope
-  --> $DIR/rustc-macro-transparency.rs:26:5
-   |
-LL |     Opaque;
-   |     ^^^^^^ not found in this scope
-
-error[E0423]: expected value, found macro `semitransparent`
-  --> $DIR/rustc-macro-transparency.rs:29:5
-   |
-LL |     struct SemiTransparent;
-   |     ----------------------- similarly named unit struct `SemiTransparent` defined here
-...
-LL |     semitransparent;
-   |     ^^^^^^^^^^^^^^^
-   |     |
-   |     not a value
-   |     help: a unit struct with a similar name exists: `SemiTransparent`
-
-error[E0423]: expected value, found macro `opaque`
-  --> $DIR/rustc-macro-transparency.rs:30:5
-   |
-LL |     opaque;
-   |     ^^^^^^ not a value
-
-error: aborting due to 3 previous errors
-
-Some errors have detailed explanations: E0423, E0425.
-For more information about an error, try `rustc --explain E0423`.
diff --git a/src/test/ui/hygiene/specialization.rs b/src/test/ui/hygiene/specialization.rs
deleted file mode 100644
index 656aa880a..000000000
--- a/src/test/ui/hygiene/specialization.rs
+++ /dev/null
@@ -1,25 +0,0 @@
-// run-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-
-trait Tr {
-    fn f(&self) -> &'static str {
-        "This shouldn't happen"
-    }
-}
-
-pub macro m($t:ty) {
-    impl Tr for $t {
-        fn f(&self) -> &'static str {
-            "Run me"
-        }
-    }
-}
-
-struct S;
-m!(S);
-
-fn main() {
-    assert_eq!(S.f(), "Run me");
-}
diff --git a/src/test/ui/hygiene/stdlib-prelude-from-opaque-early.rs b/src/test/ui/hygiene/stdlib-prelude-from-opaque-early.rs
deleted file mode 100644
index c8c5c72bf..000000000
--- a/src/test/ui/hygiene/stdlib-prelude-from-opaque-early.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-// check-pass
-// aux-build:stdlib-prelude.rs
-
-#![feature(decl_macro)]
-#![feature(prelude_import)]
-
-extern crate stdlib_prelude;
-
-#[prelude_import]
-use stdlib_prelude::*;
-
-macro mac() {
-    mod m {
-        use std::mem; // OK (extern prelude)
-        stdlib_macro!(); // OK (stdlib prelude)
-    }
-}
-
-mac!();
-
-fn main() {}
diff --git a/src/test/ui/hygiene/stdlib-prelude-from-opaque-late.rs b/src/test/ui/hygiene/stdlib-prelude-from-opaque-late.rs
deleted file mode 100644
index cf65de2bc..000000000
--- a/src/test/ui/hygiene/stdlib-prelude-from-opaque-late.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-// check-pass
-
-#![feature(decl_macro)]
-
-macro mac() {
-    mod m {
-        fn f() {
-            std::mem::drop(0); // OK (extern prelude)
-            drop(0); // OK (stdlib prelude)
-        }
-    }
-}
-
-mac!();
-
-fn main() {}
diff --git a/src/test/ui/hygiene/thread-local-not-in-prelude.rs b/src/test/ui/hygiene/thread-local-not-in-prelude.rs
deleted file mode 100644
index e5ed09c60..000000000
--- a/src/test/ui/hygiene/thread-local-not-in-prelude.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// run-pass
-#![no_std]
-
-extern crate std;
-
-std::thread_local!(static A: usize = 30);
-
-fn main() {
-}
diff --git a/src/test/ui/hygiene/trait_items-2.rs b/src/test/ui/hygiene/trait_items-2.rs
deleted file mode 100644
index 39edfc37d..000000000
--- a/src/test/ui/hygiene/trait_items-2.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-#![feature(decl_macro)]
-
-macro m($T:ident, $f:ident) {
-    pub trait $T {
-        fn f(&self) -> u32 { 0 }
-        fn $f(&self) -> i32 { 0 }
-    }
-    impl $T for () {}
-
-    let _: u32 = ().f();
-    let _: i32 = ().$f();
-}
-
-fn main() {
-    m!(T, f);
-    let _: i32 = ().f();
-}
diff --git a/src/test/ui/hygiene/trait_items.rs b/src/test/ui/hygiene/trait_items.rs
deleted file mode 100644
index 15c4acbc9..000000000
--- a/src/test/ui/hygiene/trait_items.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-#![feature(decl_macro)]
-
-mod foo {
-    pub trait T {
-        fn f(&self) {}
-    }
-    impl T for () {}
-}
-
-mod bar {
-    use foo::*;
-    pub macro m() { ().f() }
-    fn f() { ::baz::m!(); }
-}
-
-mod baz {
-    pub macro m() { ().f() } //~ ERROR no method named `f` found
-    fn f() { ::bar::m!(); }
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/trait_items.stderr b/src/test/ui/hygiene/trait_items.stderr
deleted file mode 100644
index 80bdbe0e2..000000000
--- a/src/test/ui/hygiene/trait_items.stderr
+++ /dev/null
@@ -1,22 +0,0 @@
-error[E0599]: no method named `f` found for unit type `()` in the current scope
-  --> $DIR/trait_items.rs:17:24
-   |
-LL |         fn f(&self) {}
-   |            - the method is available for `()` here
-...
-LL |     fn f() { ::baz::m!(); }
-   |              ----------- in this macro invocation
-...
-LL |     pub macro m() { ().f() }
-   |                        ^ method not found in `()`
-   |
-   = help: items from traits can only be used if the trait is in scope
-   = note: this error originates in the macro `::baz::m` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: the following trait is implemented but not in scope; perhaps add a `use` for it:
-   |
-LL |     use foo::T;
-   |
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0599`.
diff --git a/src/test/ui/hygiene/traits-in-scope.rs b/src/test/ui/hygiene/traits-in-scope.rs
deleted file mode 100644
index 548bb226b..000000000
--- a/src/test/ui/hygiene/traits-in-scope.rs
+++ /dev/null
@@ -1,53 +0,0 @@
-// Macros with def-site hygiene still bring traits into scope.
-// It is not clear whether this is desirable behavior or not.
-// It is also not clear how to prevent it if it is not desirable.
-
-// check-pass
-
-#![feature(decl_macro)]
-#![feature(trait_alias)]
-
-mod traits {
-    pub trait Trait1 {
-        fn simple_import(&self) {}
-    }
-    pub trait Trait2 {
-        fn renamed_import(&self) {}
-    }
-    pub trait Trait3 {
-        fn underscore_import(&self) {}
-    }
-    pub trait Trait4 {
-        fn trait_alias(&self) {}
-    }
-
-    impl Trait1 for () {}
-    impl Trait2 for () {}
-    impl Trait3 for () {}
-    impl Trait4 for () {}
-}
-
-macro m1() {
-    use traits::Trait1;
-}
-macro m2() {
-    use traits::Trait2 as Alias;
-}
-macro m3() {
-    use traits::Trait3 as _;
-}
-macro m4() {
-    trait Alias = traits::Trait4;
-}
-
-fn main() {
-    m1!();
-    m2!();
-    m3!();
-    m4!();
-
-    ().simple_import();
-    ().renamed_import();
-    ().underscore_import();
-    ().trait_alias();
-}
diff --git a/src/test/ui/hygiene/transparent-basic.rs b/src/test/ui/hygiene/transparent-basic.rs
deleted file mode 100644
index bfa1713e4..000000000
--- a/src/test/ui/hygiene/transparent-basic.rs
+++ /dev/null
@@ -1,43 +0,0 @@
-// check-pass
-// aux-build:transparent-basic.rs
-
-#![feature(decl_macro, rustc_attrs)]
-
-extern crate transparent_basic;
-
-#[rustc_macro_transparency = "transparent"]
-macro binding() {
-    let x = 10;
-}
-
-#[rustc_macro_transparency = "transparent"]
-macro label() {
-    break 'label
-}
-
-macro_rules! legacy {
-    () => {
-        binding!();
-        let y = x;
-    }
-}
-
-fn legacy_interaction1() {
-    legacy!();
-}
-
-struct S;
-
-fn check_dollar_crate() {
-    // `$crate::S` inside the macro resolves to `S` from this crate.
-    transparent_basic::dollar_crate!();
-}
-
-fn main() {
-    binding!();
-    let y = x;
-
-    'label: loop {
-        label!();
-    }
-}
diff --git a/src/test/ui/hygiene/unpretty-debug.rs b/src/test/ui/hygiene/unpretty-debug.rs
deleted file mode 100644
index 6e936bb3d..000000000
--- a/src/test/ui/hygiene/unpretty-debug.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-// check-pass
-// compile-flags: -Zunpretty=expanded,hygiene
-
-// Don't break whenever Symbol numbering changes
-// normalize-stdout-test "\d+#" -> "0#"
-
-// minimal junk
-#![feature(no_core)]
-#![no_core]
-
-macro_rules! foo {
-    ($x: ident) => { y + $x }
-}
-
-fn bar() {
-    let x = 1;
-    foo!(x)
-}
-
-fn y() {}
diff --git a/src/test/ui/hygiene/unpretty-debug.stdout b/src/test/ui/hygiene/unpretty-debug.stdout
deleted file mode 100644
index 51c21043d..000000000
--- a/src/test/ui/hygiene/unpretty-debug.stdout
+++ /dev/null
@@ -1,28 +0,0 @@
-// check-pass
-// compile-flags: -Zunpretty=expanded,hygiene
-
-// Don't break whenever Symbol numbering changes
-// normalize-stdout-test "\d+#" -> "0#"
-
-// minimal junk
-#![feature /* 0#0 */(no_core)]
-#![no_core /* 0#0 */]
-
-macro_rules! foo /* 0#0 */ { ($x : ident) => { y + $x } }
-
-fn bar /* 0#0 */() {
-    let x /* 0#0 */ = 1;
-    y /* 0#1 */ + x /* 0#0 */
-}
-
-fn y /* 0#0 */() {}
-
-/*
-Expansions:
-crate0::{{expn0}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: Root
-crate0::{{expn1}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: Macro(Bang, "foo")
-
-SyntaxContexts:
-#0: parent: #0, outer_mark: (crate0::{{expn0}}, Opaque)
-#1: parent: #0, outer_mark: (crate0::{{expn1}}, SemiTransparent)
-*/
diff --git a/src/test/ui/hygiene/wrap_unhygienic_example.rs b/src/test/ui/hygiene/wrap_unhygienic_example.rs
deleted file mode 100644
index 50c6b35ab..000000000
--- a/src/test/ui/hygiene/wrap_unhygienic_example.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-// check-pass
-// ignore-pretty pretty-printing is unhygienic
-
-// aux-build:my_crate.rs
-// aux-build:unhygienic_example.rs
-
-#![feature(decl_macro)]
-
-extern crate unhygienic_example;
-extern crate my_crate; // (b)
-
-// Hygienic version of `unhygienic_macro`.
-pub macro hygienic_macro() {
-    fn g() {} // (c)
-    ::unhygienic_example::unhygienic_macro!();
-    // ^ Even though we invoke an unhygienic macro, `hygienic_macro` remains hygienic.
-    // In the above expansion:
-    // (1) `my_crate` always resolves to (b) regardless of invocation site.
-    // (2) The defined function `f` is only usable inside this macro definition.
-    // (3) `g` always resolves to (c) regardless of invocation site.
-    // (4) `$crate::g` remains hygienic and continues to resolve to (a).
-
-    f();
-}
-
-#[allow(unused)]
-fn test_hygienic_macro() {
-    hygienic_macro!();
-
-    fn f() {} // (d) no conflict
-    f(); // resolves to (d)
-}
-
-fn main() {}
diff --git a/src/test/ui/hygiene/xcrate.rs b/src/test/ui/hygiene/xcrate.rs
deleted file mode 100644
index 6981ce3f6..000000000
--- a/src/test/ui/hygiene/xcrate.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// run-pass
-// ignore-pretty pretty-printing is unhygienic
-
-// aux-build:xcrate.rs
-
-#![feature(decl_macro)]
-
-extern crate xcrate;
-
-fn main() {
-    xcrate::test!();
-}