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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/nll/relate_tys/hr-fn-aba-as-aaa.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/nll/relate_tys/hr-fn-aba-as-aaa.rs')
-rw-r--r-- | tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs b/tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs new file mode 100644 index 000000000..7cc0acf45 --- /dev/null +++ b/tests/ui/nll/relate_tys/hr-fn-aba-as-aaa.rs @@ -0,0 +1,15 @@ +// Test that the NLL `relate_tys` code correctly deduces that a +// function returning always its first argument can be upcast to one +// that returns either first or second argument. +// +// check-pass +// compile-flags:-Zno-leak-check + +fn make_it() -> for<'a, 'b> fn(&'a u32, &'b u32) -> &'a u32 { + panic!() +} + +fn main() { + let a: for<'a> fn(&'a u32, &'a u32) -> &'a u32 = make_it(); + drop(a); +} |