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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
commit | 4547b622d8d29df964fa2914213088b148c498fc (patch) | |
tree | 9fc6b25f3c3add6b745be9a2400a6e96140046e9 /src/test/ui/consts/const-eval/ub-nonnull.rs | |
parent | Releasing progress-linux version 1.66.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-4547b622d8d29df964fa2914213088b148c498fc.tar.xz rustc-4547b622d8d29df964fa2914213088b148c498fc.zip |
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/consts/const-eval/ub-nonnull.rs')
-rw-r--r-- | src/test/ui/consts/const-eval/ub-nonnull.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/test/ui/consts/const-eval/ub-nonnull.rs b/src/test/ui/consts/const-eval/ub-nonnull.rs index d22a99cd0..490925822 100644 --- a/src/test/ui/consts/const-eval/ub-nonnull.rs +++ b/src/test/ui/consts/const-eval/ub-nonnull.rs @@ -1,5 +1,5 @@ // stderr-per-bitwidth -#![feature(rustc_attrs)] +#![feature(rustc_attrs, ptr_metadata)] #![allow(invalid_value)] // make sure we cannot allow away the errors tested here use std::mem; @@ -47,4 +47,11 @@ struct RestrictedRange2(u32); const BAD_RANGE2: RestrictedRange2 = unsafe { RestrictedRange2(20) }; //~^ ERROR it is undefined behavior to use this value +const NULL_FAT_PTR: NonNull<dyn Send> = unsafe { +//~^ ERROR it is undefined behavior to use this value + let x: &dyn Send = &42; + let meta = std::ptr::metadata(x); + mem::transmute((0_usize, meta)) +}; + fn main() {} |