[clang] [clang][SME] Emit error for OpemMP captured regions in SME functions (PR #124590)

[Benjamin Maxwell via cfe-commits]

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@@ -4568,9 +4568,23 @@ buildCapturedStmtCaptureList(Sema &S, CapturedRegionScopeInfo *RSI,
   return false;
 }
 
+static bool
+isOpenMPCapturedRegionInArmStreamingFunction(Sema const &S,
+                                             CapturedRegionKind Kind) {
+  if (!S.getLangOpts().OpenMP || Kind != CR_OpenMP)
+    return false;
+  FunctionDecl *FD = S.getCurFunctionDecl(/*AllowLambda=*/true);
+  if (!FD)
+    return false;
+  return IsArmStreamingFunction(FD, /*IncludeLocallyStreaming=*/true);
----------------
MacDue wrote:

Yes :+1:  (I had wrongly assumed that using ZA/ZT0 implied the function was streaming) 

https://github.com/llvm/llvm-project/pull/124590