[clang] [lldb] [Clang] Introduce OverflowBehaviorType for fine-grained overflow control (PR #148914)

[Oliver Hunt via cfe-commits]

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@@ -359,6 +366,16 @@ class DeclSpec {
   LLVM_PREFERRED_TYPE(TQ)
   unsigned TypeQualifiers : 5;  // Bitwise OR of TQ.
 
+  // overflow behavior qualifiers
+  LLVM_PREFERRED_TYPE(bool)
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ojhunt wrote:

@mizvekov so would I but there are so many non-enum classes I'm still not sure which is preferred - if enum classes are permitted that's perfect

https://github.com/llvm/llvm-project/pull/148914