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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/consts/const-eval/promoted_const_fn_fail.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/consts/const-eval/promoted_const_fn_fail.rs')
-rw-r--r-- | tests/ui/consts/const-eval/promoted_const_fn_fail.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval/promoted_const_fn_fail.rs b/tests/ui/consts/const-eval/promoted_const_fn_fail.rs new file mode 100644 index 000000000..656dd33e1 --- /dev/null +++ b/tests/ui/consts/const-eval/promoted_const_fn_fail.rs @@ -0,0 +1,20 @@ +#[repr(C)] +union Bar { + a: &'static u8, + b: usize, +} + +const fn bar() -> u8 { + unsafe { + // this will error as long as this test + // is run on a system whose pointers need more + // than 8 bits + Bar { a: &42 }.b as u8 + } +} + +fn main() { + let x: &'static u8 = &(bar() + 1); //~ ERROR temporary value dropped while borrowed + let y = *x; + unreachable!(); +} |