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-rw-r--r--src/test/ui/coherence/coherence-default-trait-impl.stderr12
-rw-r--r--src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr4
-rw-r--r--src/test/ui/coherence/coherence-fn-implied-bounds.stderr6
-rw-r--r--src/test/ui/coherence/coherence-free-vs-bound-region.stderr6
-rw-r--r--src/test/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr2
-rw-r--r--src/test/ui/coherence/coherence-negative-impls-copy-bad.rs11
-rw-r--r--src/test/ui/coherence/coherence-negative-impls-copy-bad.stderr36
-rw-r--r--src/test/ui/coherence/coherence-negative-impls-copy.rs29
-rw-r--r--src/test/ui/coherence/coherence-subtyping.stderr2
-rw-r--r--src/test/ui/coherence/coherence-wasm-bindgen.stderr8
-rw-r--r--src/test/ui/coherence/deep-bad-copy-reason.stderr4
11 files changed, 104 insertions, 16 deletions
diff --git a/src/test/ui/coherence/coherence-default-trait-impl.stderr b/src/test/ui/coherence/coherence-default-trait-impl.stderr
index b08ccb087..632018782 100644
--- a/src/test/ui/coherence/coherence-default-trait-impl.stderr
+++ b/src/test/ui/coherence/coherence-default-trait-impl.stderr
@@ -3,12 +3,24 @@ error[E0199]: implementing the trait `MySafeTrait` is not unsafe
|
LL | unsafe impl MySafeTrait for Foo {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+help: remove `unsafe` from this trait implementation
+ |
+LL - unsafe impl MySafeTrait for Foo {}
+LL + impl MySafeTrait for Foo {}
+ |
error[E0200]: the trait `MyUnsafeTrait` requires an `unsafe impl` declaration
--> $DIR/coherence-default-trait-impl.rs:13:1
|
LL | impl MyUnsafeTrait for Foo {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: the trait `MyUnsafeTrait` enforces invariants that the compiler can't check. Review the trait documentation and make sure this implementation upholds those invariants before adding the `unsafe` keyword
+help: add `unsafe` to this trait implementation
+ |
+LL | unsafe impl MyUnsafeTrait for Foo {}
+ | ++++++
error: aborting due to 2 previous errors
diff --git a/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr b/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr
index cfcef9699..7dabd97b9 100644
--- a/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr
+++ b/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr
@@ -1,10 +1,10 @@
-error[E0119]: conflicting implementations of trait `Trait` for type `for<'r> fn(for<'r> fn(&'r ()))`
+error[E0119]: conflicting implementations of trait `Trait` for type `for<'r> fn(fn(&'r ()))`
--> $DIR/coherence-fn-covariant-bound-vs-static.rs:17:1
|
LL | impl Trait for for<'r> fn(fn(&'r ())) {}
| ------------------------------------- first implementation here
LL | impl<'a> Trait for fn(fn(&'a ())) {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'r> fn(for<'r> fn(&'r ()))`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'r> fn(fn(&'r ()))`
|
= note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
diff --git a/src/test/ui/coherence/coherence-fn-implied-bounds.stderr b/src/test/ui/coherence/coherence-fn-implied-bounds.stderr
index 8612ce60d..201871204 100644
--- a/src/test/ui/coherence/coherence-fn-implied-bounds.stderr
+++ b/src/test/ui/coherence/coherence-fn-implied-bounds.stderr
@@ -7,14 +7,14 @@ LL |
LL | impl Trait for for<'c> fn(&'c &'c u32, &'c &'c u32) -> &'c u32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32`
|
+ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+ = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
+ = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
note: the lint level is defined here
--> $DIR/coherence-fn-implied-bounds.rs:15:9
|
LL | #![deny(coherence_leak_check)]
| ^^^^^^^^^^^^^^^^^^^^
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
- = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
error: aborting due to previous error
diff --git a/src/test/ui/coherence/coherence-free-vs-bound-region.stderr b/src/test/ui/coherence/coherence-free-vs-bound-region.stderr
index af18655b0..e2d84b833 100644
--- a/src/test/ui/coherence/coherence-free-vs-bound-region.stderr
+++ b/src/test/ui/coherence/coherence-free-vs-bound-region.stderr
@@ -7,14 +7,14 @@ LL |
LL | impl TheTrait for fn(&u8) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `fn(&u8)`
|
+ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+ = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
+ = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
note: the lint level is defined here
--> $DIR/coherence-free-vs-bound-region.rs:10:9
|
LL | #![deny(coherence_leak_check)]
| ^^^^^^^^^^^^^^^^^^^^
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
- = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
error: aborting due to previous error
diff --git a/src/test/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr b/src/test/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr
index 97f3c7593..7bd50649d 100644
--- a/src/test/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr
+++ b/src/test/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr
@@ -4,9 +4,9 @@ warning: the feature `specialization` is incomplete and may not be safe to use a
LL | #![feature(specialization)]
| ^^^^^^^^^^^^^^
|
- = note: `#[warn(incomplete_features)]` on by default
= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
= help: consider using `min_specialization` instead, which is more stable and complete
+ = note: `#[warn(incomplete_features)]` on by default
error[E0391]: cycle detected when building specialization graph of trait `Trait`
--> $DIR/coherence-inherited-assoc-ty-cycle-err.rs:9:1
diff --git a/src/test/ui/coherence/coherence-negative-impls-copy-bad.rs b/src/test/ui/coherence/coherence-negative-impls-copy-bad.rs
new file mode 100644
index 000000000..563f28e22
--- /dev/null
+++ b/src/test/ui/coherence/coherence-negative-impls-copy-bad.rs
@@ -0,0 +1,11 @@
+#![feature(negative_impls)]
+#![crate_type = "lib"]
+
+impl !Copy for str {}
+//~^ ERROR only traits defined in the current crate can be implemented
+
+impl !Copy for fn() {}
+//~^ ERROR only traits defined in the current crate can be implemented
+
+impl !Copy for () {}
+//~^ ERROR only traits defined in the current crate can be implemented
diff --git a/src/test/ui/coherence/coherence-negative-impls-copy-bad.stderr b/src/test/ui/coherence/coherence-negative-impls-copy-bad.stderr
new file mode 100644
index 000000000..2295d6315
--- /dev/null
+++ b/src/test/ui/coherence/coherence-negative-impls-copy-bad.stderr
@@ -0,0 +1,36 @@
+error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
+ --> $DIR/coherence-negative-impls-copy-bad.rs:4:1
+ |
+LL | impl !Copy for str {}
+ | ^^^^^^^^^^^^^^^---
+ | | |
+ | | `str` is not defined in the current crate
+ | impl doesn't use only types from inside the current crate
+ |
+ = note: define and implement a trait or new type instead
+
+error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
+ --> $DIR/coherence-negative-impls-copy-bad.rs:7:1
+ |
+LL | impl !Copy for fn() {}
+ | ^^^^^^^^^^^^^^^----
+ | | |
+ | | `fn()` is not defined in the current crate
+ | impl doesn't use only types from inside the current crate
+ |
+ = note: define and implement a trait or new type instead
+
+error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
+ --> $DIR/coherence-negative-impls-copy-bad.rs:10:1
+ |
+LL | impl !Copy for () {}
+ | ^^^^^^^^^^^^^^^--
+ | | |
+ | | this is not defined in the current crate because tuples are always foreign
+ | impl doesn't use only types from inside the current crate
+ |
+ = note: define and implement a trait or new type instead
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0117`.
diff --git a/src/test/ui/coherence/coherence-negative-impls-copy.rs b/src/test/ui/coherence/coherence-negative-impls-copy.rs
new file mode 100644
index 000000000..7b29aade4
--- /dev/null
+++ b/src/test/ui/coherence/coherence-negative-impls-copy.rs
@@ -0,0 +1,29 @@
+// check-pass
+// regression test for issue #101836
+
+#![feature(negative_impls, extern_types)]
+#![crate_type = "lib"]
+
+struct NonCopy;
+struct NeverCopy(NonCopy);
+
+impl !Copy for NeverCopy {}
+
+
+struct WithDrop;
+impl Drop for WithDrop { fn drop(&mut self) {} }
+
+impl !Copy for WithDrop {}
+
+
+struct Type;
+trait Trait {}
+extern {
+ type ExternType;
+}
+
+impl !Copy for &mut Type {}
+
+impl !Copy for dyn Trait {}
+
+impl !Copy for ExternType {}
diff --git a/src/test/ui/coherence/coherence-subtyping.stderr b/src/test/ui/coherence/coherence-subtyping.stderr
index 25d8c8756..9d90019a5 100644
--- a/src/test/ui/coherence/coherence-subtyping.stderr
+++ b/src/test/ui/coherence/coherence-subtyping.stderr
@@ -7,10 +7,10 @@ LL |
LL | impl TheTrait for for<'a> fn(&'a u8, &'a u8) -> &'a u8 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8`
|
- = note: `#[warn(coherence_leak_check)]` on by default
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
= note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
+ = note: `#[warn(coherence_leak_check)]` on by default
warning: 1 warning emitted
diff --git a/src/test/ui/coherence/coherence-wasm-bindgen.stderr b/src/test/ui/coherence/coherence-wasm-bindgen.stderr
index aa74e2315..cfcc21240 100644
--- a/src/test/ui/coherence/coherence-wasm-bindgen.stderr
+++ b/src/test/ui/coherence/coherence-wasm-bindgen.stderr
@@ -7,15 +7,15 @@ LL | impl<'a, 'b, A, R> IntoWasmAbi for &'a (dyn Fn(A) -> R + 'b)
LL | impl<'a, 'b, A, R> IntoWasmAbi for &'a (dyn for<'x> Fn(&'x A) -> R + 'b)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&dyn std::ops::Fn(&_) -> _`
|
+ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+ = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
+ = note: downstream crates may implement trait `FromWasmAbi` for type `&_`
+ = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
note: the lint level is defined here
--> $DIR/coherence-wasm-bindgen.rs:10:9
|
LL | #![deny(coherence_leak_check)]
| ^^^^^^^^^^^^^^^^^^^^
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
- = note: downstream crates may implement trait `FromWasmAbi` for type `&_`
- = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
error: aborting due to previous error
diff --git a/src/test/ui/coherence/deep-bad-copy-reason.stderr b/src/test/ui/coherence/deep-bad-copy-reason.stderr
index 295538cee..168ee5726 100644
--- a/src/test/ui/coherence/deep-bad-copy-reason.stderr
+++ b/src/test/ui/coherence/deep-bad-copy-reason.stderr
@@ -1,11 +1,11 @@
error[E0204]: the trait `Copy` may not be implemented for this type
- --> $DIR/deep-bad-copy-reason.rs:33:15
+ --> $DIR/deep-bad-copy-reason.rs:33:24
|
LL | pub struct List<'tcx, T>(Interned<'tcx, ListS<T>>);
| ------------------------ this field does not implement `Copy`
...
LL | impl<'tcx, T> Copy for List<'tcx, T> {}
- | ^^^^
+ | ^^^^^^^^^^^^^
|
note: the `Copy` impl for `Interned<'tcx, ListS<T>>` requires that `OpaqueListContents: Sized`
--> $DIR/deep-bad-copy-reason.rs:23:26