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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/nll/closure-requirements/return-wrong-bound-region.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/nll/closure-requirements/return-wrong-bound-region.rs')
-rw-r--r-- | src/test/ui/nll/closure-requirements/return-wrong-bound-region.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/nll/closure-requirements/return-wrong-bound-region.rs b/src/test/ui/nll/closure-requirements/return-wrong-bound-region.rs new file mode 100644 index 000000000..e34a3f6f2 --- /dev/null +++ b/src/test/ui/nll/closure-requirements/return-wrong-bound-region.rs @@ -0,0 +1,23 @@ +// Test closure that takes two references and is supposed to return +// the first, but actually returns the second. This should fail within +// the closure. + +// compile-flags:-Zverbose + +#![feature(rustc_attrs)] + +#[rustc_regions] +fn test() { + expect_sig(|a, b| b); // ought to return `a` + //~^ ERROR +} + +fn expect_sig<F>(f: F) -> F + where F: for<'a> FnMut(&'a i32, &i32) -> &'a i32 +{ + f +} + +fn deref(_p: &i32) { } + +fn main() { } |