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

[Oliver Hunt via cfe-commits]

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@@ -2845,6 +2866,41 @@ bool Sema::IsComplexPromotion(QualType FromType, QualType ToType) {
                         ToComplex->getElementType());
 }
 
+bool Sema::IsOverflowBehaviorTypePromotion(QualType FromType, QualType ToType) {
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ojhunt wrote:

Wait, are you saying that it retained the change to arithmetic operators to break promotion?

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