| // Should not rely on the aliasing model for its failure. |
| //@compile-flags: -Zmiri-disable-stacked-borrows |
| // Needs atomic accesses larger than the pointer size |
| //@ignore-64bit |
| |
| use std::sync::atomic::{AtomicI64, Ordering}; |
| |
| #[repr(align(8))] |
| struct AlignedI64(i64); |
| |
| fn main() { |
| static X: AlignedI64 = AlignedI64(0); |
| let x = &X as *const AlignedI64 as *const AtomicI64; |
| let x = unsafe { &*x }; |
| // Some targets can implement atomic loads via compare_exchange, so we cannot allow them on |
| // read-only memory. |
| x.load(Ordering::Relaxed); //~ERROR: cannot be performed on read-only memory |
| } |
