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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/structural-match-no-leak.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/structural-match-no-leak.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/structural-match-no-leak.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs b/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs new file mode 100644 index 000000000..c2ab6a9d1 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs @@ -0,0 +1,20 @@ +#![feature(type_alias_impl_trait)] + +type Bar = impl Send; + +// While i32 is structural-match, we do not want to leak this information. +// (See https://github.com/rust-lang/rust/issues/72156) +const fn leak_free() -> Bar { + 7i32 +} +const LEAK_FREE: Bar = leak_free(); + +fn leak_free_test() { + match LEAK_FREE { + LEAK_FREE => (), + //~^ `Bar` cannot be used in patterns + _ => (), + } +} + +fn main() {} |