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Rollup merge of rust-lang#96384 - lcnr:extern-types-similar, r=compil…
…er-errors do not consider two extern types to be similar
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// We previously mentioned other extern types in the error message here. | ||
// | ||
// Two extern types shouldn't really be considered similar just | ||
// because they are both extern types. | ||
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#![feature(extern_types)] | ||
extern { | ||
type ShouldNotBeMentioned; | ||
} | ||
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extern { | ||
type Foo; | ||
} | ||
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unsafe impl Send for ShouldNotBeMentioned {} | ||
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fn assert_send<T: Send + ?Sized>() {} | ||
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fn main() { | ||
assert_send::<Foo>() | ||
//~^ ERROR `Foo` cannot be sent between threads safely | ||
} |
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error[E0277]: `Foo` cannot be sent between threads safely | ||
--> $DIR/extern-type-diag-not-similar.rs:20:19 | ||
| | ||
LL | assert_send::<Foo>() | ||
| ^^^ `Foo` cannot be sent between threads safely | ||
| | ||
= help: the trait `Send` is not implemented for `Foo` | ||
note: required by a bound in `assert_send` | ||
--> $DIR/extern-type-diag-not-similar.rs:17:19 | ||
| | ||
LL | fn assert_send<T: Send + ?Sized>() {} | ||
| ^^^^ required by this bound in `assert_send` | ||
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error: aborting due to previous error | ||
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For more information about this error, try `rustc --explain E0277`. |