[clang] [AArch64] Warn when calling a NEON builtin in a streaming function (PR #73672)

[Sander de Smalen via cfe-commits]

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@@ -2993,6 +2993,62 @@ static QualType getNeonEltType(NeonTypeFlags Flags, ASTContext &Context,
   llvm_unreachable("Invalid NeonTypeFlag!");
 }
 
+enum ArmStreamingType {
+  ArmNonStreaming,
+  ArmStreaming,
+  ArmStreamingCompatible,
+  ArmLocallyStreaming,
+  ArmStreamingOrSVE2p1
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sdesmalen-arm wrote:

`ArmStreamingOrSVE2p1` is not relevant to this patch.

https://github.com/llvm/llvm-project/pull/73672