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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/relate_tys/issue-48071.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/relate_tys/issue-48071.rs')
-rw-r--r-- | src/test/ui/nll/relate_tys/issue-48071.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/nll/relate_tys/issue-48071.rs b/src/test/ui/nll/relate_tys/issue-48071.rs new file mode 100644 index 000000000..73361a0d3 --- /dev/null +++ b/src/test/ui/nll/relate_tys/issue-48071.rs @@ -0,0 +1,24 @@ +// Regression test for #48071. This test used to ICE because -- in +// the leak-check -- it would pass since we knew that the return type +// was `'static`, and hence `'static: 'a` was legal even for a +// placeholder region, but in NLL land it would fail because we had +// rewritten `'static` to a region variable. +// +// check-pass + +trait Foo { + fn foo(&self) { } +} + +impl Foo for () { +} + +type MakeFooFn = for<'a> fn(&'a u8) -> Box<dyn Foo + 'a>; + +fn make_foo(x: &u8) -> Box<dyn Foo + 'static> { + Box::new(()) +} + +fn main() { + let x: MakeFooFn = make_foo as MakeFooFn; +} |