[clang] [Clang] Diagnose conflict between always_inline/noinline attributes (PR #215173)

[Erich Keane via cfe-commits]

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@@ -779,10 +779,10 @@ void CodeGenFunction::EmitLabelStmt(const LabelStmt &S) {
 }
 
 void CodeGenFunction::EmitAttributedStmt(const AttributedStmt &S) {
-  bool nomerge = false;
-  bool noinline = false;
-  bool alwaysinline = false;
-  bool noconvergent = false;
+  bool nomerge = InNoMergeAttributedStmt;
+  bool noinline = InNoInlineAttributedStmt;
+  bool alwaysinline = InAlwaysInlineAttributedStmt;
+  bool noconvergent = InNoConvergentAttributedStmt;
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erichkeane wrote:

Can you add tests for nomerge/noconvergent to make sure they dont get clobbered by something unrelated as well? 

https://github.com/llvm/llvm-project/pull/215173