================
@@ -405,6 +405,10 @@ ArgType::matchesType(ASTContext &C, QualType argTy) const {
argTy = PT->getPointeeType();
}
+ if (const OverflowBehaviorType *OBT =
+ dyn_cast<OverflowBehaviorType>(argTy.getCanonicalType()))
+ argTy = OBT->getUnderlyingType();
+
----------------
mizvekov wrote:
Should this really canonicalize? It seems to me if the udnerlying type has a
typedef that is meaningful here, we would still want to use that information
here, right?
```suggestion
if (const auto *OBT = argTy->getAs<OverflowBehaviorType>())
argTy = OBT->getUnderlyingType();
```
https://github.com/llvm/llvm-project/pull/148914
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