[clang-tools-extra] [libc] [compiler-rt] [llvm] [clang] [mlir] [OpenMP] atomic compare fail : Codegen support (PR #75709)

[Alexey Bataev via cfe-commits]

================
@@ -6580,6 +6578,51 @@ void CodeGenFunction::EmitOMPAtomicDirective(const OMPAtomicDirective &S) {
     }
   }
 
+  if (KindsEncountered.contains(OMPC_compare) &&
+      KindsEncountered.contains(OMPC_fail)) {
+    Kind = OMPC_compare;
+    const OMPFailClause *fC = S.getSingleClause<OMPFailClause>();
----------------
alexey-bataev wrote:

```suggestion
    const auto *FC = S.getSingleClause<OMPFailClause>();
```

https://github.com/llvm/llvm-project/pull/75709