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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.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-fn3.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs b/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs new file mode 100644 index 000000000..11a922443 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs @@ -0,0 +1,18 @@ +// 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: ToString + Clone, B: ToString + Clone> = impl ToString; + +fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<B, A>) { + (a, b) +} + +fn g<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) { + (a, b) + //~^ ERROR mismatched types +} + +fn main() {} |