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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
commit | 4f9fe856a25ab29345b90e7725509e9ee38a37be (patch) | |
tree | e4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /tests/ui/higher-rank-trait-bounds/issue-39292.rs | |
parent | Adding upstream version 1.68.2+dfsg1. (diff) | |
download | rustc-upstream/1.69.0+dfsg1.tar.xz rustc-upstream/1.69.0+dfsg1.zip |
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/higher-rank-trait-bounds/issue-39292.rs')
-rw-r--r-- | tests/ui/higher-rank-trait-bounds/issue-39292.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/higher-rank-trait-bounds/issue-39292.rs b/tests/ui/higher-rank-trait-bounds/issue-39292.rs new file mode 100644 index 000000000..968cf0891 --- /dev/null +++ b/tests/ui/higher-rank-trait-bounds/issue-39292.rs @@ -0,0 +1,17 @@ +// run-pass +// Regression test for issue #39292. The object vtable was being +// incorrectly left with a null pointer. + +trait Foo<T> { + fn print<'a>(&'a self) where T: 'a { println!("foo"); } +} + +impl<'a> Foo<&'a ()> for () { } + +trait Bar: for<'a> Foo<&'a ()> { } + +impl Bar for () {} + +fn main() { + (&() as &dyn Bar).print(); // Segfault +} |