[clang] [Clang] Re-write codegen for atomic_test_and_set and atomic_clear (PR #121943)

[Oliver Stannard via cfe-commits]

================
@@ -3686,12 +3687,18 @@ ExprResult Sema::BuildAtomicExpr(SourceRange CallRange, 
SourceRange ExprRange,
     C11CmpXchg,
 
     // bool __atomic_compare_exchange(A *, C *, CP, bool, int, int)
-    GNUCmpXchg
+    GNUCmpXchg,
+
+    // bool __atomic_test_and_set(A *, int)
+    TestAndSet,
----------------
ostannard wrote:

Done

https://github.com/llvm/llvm-project/pull/121943
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