diff options
Diffstat (limited to 'src/test/ui/lint/lint-invalid-atomic-ordering-fence.rs')
-rw-r--r-- | src/test/ui/lint/lint-invalid-atomic-ordering-fence.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-invalid-atomic-ordering-fence.rs b/src/test/ui/lint/lint-invalid-atomic-ordering-fence.rs new file mode 100644 index 000000000..22034472c --- /dev/null +++ b/src/test/ui/lint/lint-invalid-atomic-ordering-fence.rs @@ -0,0 +1,21 @@ +// only-x86_64 +use std::sync::atomic::{compiler_fence, fence, Ordering}; + +fn main() { + // Allowed ordering modes + fence(Ordering::Acquire); + fence(Ordering::Release); + fence(Ordering::AcqRel); + fence(Ordering::SeqCst); + + compiler_fence(Ordering::Acquire); + compiler_fence(Ordering::Release); + compiler_fence(Ordering::AcqRel); + compiler_fence(Ordering::SeqCst); + + // Disallowed ordering modes + fence(Ordering::Relaxed); + //~^ ERROR memory fences cannot have `Relaxed` ordering + compiler_fence(Ordering::Relaxed); + //~^ ERROR memory fences cannot have `Relaxed` ordering +} |