diff options
Diffstat (limited to 'src/test/ui/consts/missing_span_in_backtrace.rs')
-rw-r--r-- | src/test/ui/consts/missing_span_in_backtrace.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/consts/missing_span_in_backtrace.rs b/src/test/ui/consts/missing_span_in_backtrace.rs new file mode 100644 index 000000000..c4930b73a --- /dev/null +++ b/src/test/ui/consts/missing_span_in_backtrace.rs @@ -0,0 +1,27 @@ +// compile-flags: -Z simulate-remapped-rust-src-base=/rustc/FAKE_PREFIX -Z translate-remapped-path-to-local-path=no -Z ui-testing=no +// normalize-stderr-test "alloc[0-9]+" -> "ALLOC_ID" + +#![feature(const_swap)] +#![feature(const_mut_refs)] +use std::{ + mem::{self, MaybeUninit}, + ptr, +}; + +const X: () = { + let mut ptr1 = &1; + let mut ptr2 = &2; + + // Swap them, bytewise. + unsafe { + ptr::swap_nonoverlapping( + &mut ptr1 as *mut _ as *mut MaybeUninit<u8>, + &mut ptr2 as *mut _ as *mut MaybeUninit<u8>, + mem::size_of::<&i32>(), + ); + } +}; + +fn main() { + X +} |