From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/lint/lint-invalid-atomic-ordering-fence.rs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 tests/ui/lint/lint-invalid-atomic-ordering-fence.rs (limited to 'tests/ui/lint/lint-invalid-atomic-ordering-fence.rs') diff --git a/tests/ui/lint/lint-invalid-atomic-ordering-fence.rs b/tests/ui/lint/lint-invalid-atomic-ordering-fence.rs new file mode 100644 index 000000000..22034472c --- /dev/null +++ b/tests/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 +} -- cgit v1.2.3