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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs b/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs new file mode 100644 index 000000000..da845e861 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs @@ -0,0 +1,16 @@ +// https://github.com/rust-lang/rust/issues/73481 +// This test used to cause unsoundness, since one of the two possible +// resolutions was chosen at random instead of erroring due to conflicts. + +#![feature(type_alias_impl_trait)] + +type X<A, B> = impl Into<&'static A>; + +fn f<A, B: 'static>(a: &'static A, b: B) -> (X<A, B>, X<B, A>) { + //~^ ERROR the trait bound `&'static B: From<&A>` is not satisfied + (a, a) +} + +fn main() { + println!("{}", <X<_, _> as Into<&String>>::into(f(&[1isize, 2, 3], String::new()).1)); +} |