a9841936fe
Change the implicit `Sized` `Obligation` `Span` for call expressions to include the whole expression. This aids the existing deduplication machinery to reduce the number of errors caused by a single unsized expression.
31 lines
911 B
Rust
31 lines
911 B
Rust
// compile-flags: -Znext-solver
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// Makes sure that alias bounds are not unsound!
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#![feature(trivial_bounds)]
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trait Foo {
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type Item: Copy
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where
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<Self as Foo>::Item: Copy;
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fn copy_me(x: &Self::Item) -> Self::Item {
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*x
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}
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}
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impl Foo for () {
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type Item = String where String: Copy;
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//~^ ERROR overflow evaluating the requirement `<() as Foo>::Item: Copy`
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}
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fn main() {
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let x = String::from("hello, world");
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drop(<() as Foo>::copy_me(&x));
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//~^ ERROR overflow evaluating the requirement `String <: <() as Foo>::Item`
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//~| ERROR overflow evaluating the requirement `<() as Foo>::Item well-formed`
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//~| ERROR overflow evaluating the requirement `&<() as Foo>::Item well-formed`
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//~| ERROR overflow evaluating the requirement `<() as Foo>::Item == _`
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//~| ERROR overflow evaluating the requirement `<() as Foo>::Item == _`
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println!("{x}");
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}
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