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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/issue-63677-type-alias-coherence.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/issue-63677-type-alias-coherence.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/issue-63677-type-alias-coherence.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/issue-63677-type-alias-coherence.rs b/tests/ui/type-alias-impl-trait/issue-63677-type-alias-coherence.rs new file mode 100644 index 000000000..28f4a85c9 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-63677-type-alias-coherence.rs @@ -0,0 +1,21 @@ +// check-pass +// Regression test for issue #63677 - ensure that +// coherence checking can properly handle 'impl trait' +// in type aliases +#![feature(type_alias_impl_trait)] + +pub trait Trait {} +pub struct S1<T>(T); +pub struct S2<T>(T); + +pub type T1 = impl Trait; +pub type T2 = S1<T1>; +pub type T3 = S2<T2>; + +impl<T> Trait for S1<T> {} +impl<T: Trait> S2<T> {} +impl T3 {} + +pub fn use_t1() -> T1 { S1(()) } + +fn main() {} |