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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/consts/issue-79690.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/consts/issue-79690.rs')
-rw-r--r-- | src/test/ui/consts/issue-79690.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/consts/issue-79690.rs b/src/test/ui/consts/issue-79690.rs new file mode 100644 index 000000000..56747bf5a --- /dev/null +++ b/src/test/ui/consts/issue-79690.rs @@ -0,0 +1,33 @@ +// ignore-32bit +// This test gives a different error on 32-bit architectures. +// stderr-per-bitwidth + +union Transmute<T: Copy, U: Copy> { + t: T, + u: U, +} +trait Bar { + fn bar(&self) -> u32; +} +struct Foo { + foo: u32, + bar: bool, +} +impl Bar for Foo { + fn bar(&self) -> u32 { + self.foo + } +} +#[derive(Copy, Clone)] +struct Fat<'a>(&'a Foo, &'static VTable); +struct VTable { + size: Foo, +} +const FOO: &dyn Bar = &Foo { + foo: 128, + bar: false, +}; +const G: Fat = unsafe { Transmute { t: FOO }.u }; +//~^ ERROR it is undefined behavior to use this value + +fn main() {} |