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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/consts/const-eval/double_check2.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/consts/const-eval/double_check2.rs')
-rw-r--r-- | src/test/ui/consts/const-eval/double_check2.rs | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/src/test/ui/consts/const-eval/double_check2.rs b/src/test/ui/consts/const-eval/double_check2.rs deleted file mode 100644 index 81f5dde45..000000000 --- a/src/test/ui/consts/const-eval/double_check2.rs +++ /dev/null @@ -1,32 +0,0 @@ -// check-pass - -// This test exhibits undefined behavior, but it is very expensive and complex to check for such -// UB in constants. -// Thus, we do not detect it if you create references to statics in ways that are UB. - -enum Foo { - A = 5, - B = 42, -} -enum Bar { - C = 42, - D = 99, -} -#[repr(C)] -union Union { - foo: &'static Foo, - bar: &'static Bar, - u8: &'static u8, -} -static BAR: u8 = 5; -static FOO: (&Foo, &Bar) = unsafe { - ( - // undefined behavior - Union { u8: &BAR }.foo, - Union { u8: &BAR }.bar, - ) -}; -static FOO2: (&Foo, &Bar) = unsafe { (std::mem::transmute(&BAR), std::mem::transmute(&BAR)) }; -//^ undefined behavior - -fn main() {} |