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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/regions/regions-normalize-in-where-clause-list.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/regions/regions-normalize-in-where-clause-list.rs')
-rw-r--r-- | tests/ui/regions/regions-normalize-in-where-clause-list.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-normalize-in-where-clause-list.rs b/tests/ui/regions/regions-normalize-in-where-clause-list.rs new file mode 100644 index 000000000..389f82e79 --- /dev/null +++ b/tests/ui/regions/regions-normalize-in-where-clause-list.rs @@ -0,0 +1,31 @@ +// Test that we are able to normalize in the list of where-clauses, +// even if `'a: 'b` is required. + +trait Project<'a, 'b> { + type Item; +} + +impl<'a, 'b> Project<'a, 'b> for () +where + 'a: 'b, +{ + type Item = (); +} + +// No error here, we have 'a: 'b. We used to report an error here +// though, see https://github.com/rust-lang/rust/issues/45937. +fn foo<'a: 'b, 'b>() +where + <() as Project<'a, 'b>>::Item: Eq, +{ +} + +// Here we get an error: we need `'a: 'b`. +fn bar<'a, 'b>() +//~^ ERROR cannot infer +where + <() as Project<'a, 'b>>::Item: Eq, +{ +} + +fn main() {} |