Merging upstream version 1.68.2+dfsg1.

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

7 files changed, 133 insertions, 0 deletions

diff --git a/tests/incremental/auxiliary/incremental_proc_macro_aux.rs b/tests/incremental/auxiliary/incremental_proc_macro_aux.rs
new file mode 100644
index 000000000..6961450b4
--- /dev/null
+++ b/tests/incremental/auxiliary/incremental_proc_macro_aux.rs
@@ -0,0 +1,22 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+// Add a function to shift DefIndex of registrar function
+#[cfg(cfail2)]
+fn foo() {}
+
+#[proc_macro_derive(IncrementalMacro)]
+pub fn derive(input: TokenStream) -> TokenStream {
+    #[cfg(cfail2)]
+    {
+        foo();
+    }
+
+    "".parse().unwrap()
+}
diff --git a/tests/incremental/auxiliary/issue-49482-macro-def.rs b/tests/incremental/auxiliary/issue-49482-macro-def.rs
new file mode 100644
index 000000000..bfa7abb1a
--- /dev/null
+++ b/tests/incremental/auxiliary/issue-49482-macro-def.rs
@@ -0,0 +1,40 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type="proc-macro"]
+#![allow(non_snake_case)]
+
+extern crate proc_macro;
+
+macro_rules! proc_macro_expr_impl {
+    ($(
+        $( #[$attr:meta] )*
+        pub fn $func:ident($input:ident: &str) -> String;
+    )+) => {
+        $(
+            $( #[$attr] )*
+            #[proc_macro_derive($func)]
+            pub fn $func(_input: ::proc_macro::TokenStream) -> ::proc_macro::TokenStream {
+                panic!()
+            }
+        )+
+    };
+}
+
+proc_macro_expr_impl! {
+    pub fn f1(input: &str) -> String;
+    pub fn f2(input: &str) -> String;
+    pub fn f3(input: &str) -> String;
+    pub fn f4(input: &str) -> String;
+    pub fn f5(input: &str) -> String;
+    pub fn f6(input: &str) -> String;
+    pub fn f7(input: &str) -> String;
+    pub fn f8(input: &str) -> String;
+    pub fn f9(input: &str) -> String;
+    pub fn fA(input: &str) -> String;
+    pub fn fB(input: &str) -> String;
+    pub fn fC(input: &str) -> String;
+    pub fn fD(input: &str) -> String;
+    pub fn fE(input: &str) -> String;
+    pub fn fF(input: &str) -> String;
+}
diff --git a/tests/incremental/auxiliary/issue-49482-reexport.rs b/tests/incremental/auxiliary/issue-49482-reexport.rs
new file mode 100644
index 000000000..39f19e3f1
--- /dev/null
+++ b/tests/incremental/auxiliary/issue-49482-reexport.rs
@@ -0,0 +1,6 @@
+#[macro_use]
+extern crate issue_49482_macro_def;
+
+pub use issue_49482_macro_def::*;
+
+pub fn foo() {}
diff --git a/tests/incremental/auxiliary/issue-54059.rs b/tests/incremental/auxiliary/issue-54059.rs
new file mode 100644
index 000000000..fa2814a77
--- /dev/null
+++ b/tests/incremental/auxiliary/issue-54059.rs
@@ -0,0 +1,50 @@
+// force-host
+// no-prefer-dynamic
+
+// check that having extern "C" functions in a proc macro doesn't crash.
+
+#![crate_type="proc-macro"]
+#![allow(non_snake_case)]
+
+extern crate proc_macro;
+
+macro_rules! proc_macro_tokenstream {
+    () => {
+        ::proc_macro::TokenStream
+    };
+}
+
+macro_rules! proc_macro_expr_impl {
+    ($(
+        $( #[$attr:meta] )*
+        pub fn $func:ident($input:ident: &str) -> String $body:block
+    )+) => {
+        $(
+            // Parses an input that looks like:
+            //
+            // ```
+            // #[allow(unused)]
+            // enum ProcMacroHack {
+            //     Input = (stringify!(ARGS), 0).1,
+            // }
+            // ```
+            $( #[$attr] )*
+            #[proc_macro_derive($func)]
+            pub fn $func(input: proc_macro_tokenstream!()) -> proc_macro_tokenstream!() {
+                unsafe { rust_dbg_extern_identity_u64(0); }
+                panic!()
+            }
+        )+
+    };
+}
+
+proc_macro_expr_impl! {
+    pub fn base2_impl(input: &str) -> String {
+        panic!()
+    }
+}
+
+#[link(name="rust_test_helpers")]
+extern "C" {
+    pub fn rust_dbg_extern_identity_u64(v: u64) -> u64;
+}
diff --git a/tests/incremental/auxiliary/issue-79661.rs b/tests/incremental/auxiliary/issue-79661.rs
new file mode 100644
index 000000000..cd32a52eb
--- /dev/null
+++ b/tests/incremental/auxiliary/issue-79661.rs
@@ -0,0 +1,6 @@
+#![feature(rustc_attrs)]
+
+#[cfg_attr(any(rpass2, rpass3), doc = "Some comment")]
+pub struct Foo;
+
+pub struct Wrapper(Foo);
diff --git a/tests/incremental/auxiliary/issue-79890.rs b/tests/incremental/auxiliary/issue-79890.rs
new file mode 100644
index 000000000..8eaeafa52
--- /dev/null
+++ b/tests/incremental/auxiliary/issue-79890.rs
@@ -0,0 +1 @@
+pub trait MyTrait {}
diff --git a/tests/incremental/auxiliary/rustc-rust-log-aux.rs b/tests/incremental/auxiliary/rustc-rust-log-aux.rs
new file mode 100644
index 000000000..a361373dc
--- /dev/null
+++ b/tests/incremental/auxiliary/rustc-rust-log-aux.rs
@@ -0,0 +1,8 @@
+// rustc-env:RUSTC_LOG=debug
+#[cfg(rpass1)]
+pub fn foo() {}
+
+#[cfg(rpass2)]
+pub fn foo() {
+    println!();
+}