================
@@ -4238,7 +4238,8 @@ static Value *emitPointerArithmetic(CodeGenFunction &CGF,
else
elemTy = CGF.ConvertTypeForMem(elementType);
- if (CGF.getLangOpts().PointerOverflowDefined)
+ if (CGF.getLangOpts().PointerOverflowDefined ||
+ CGF.isUnderlyingBasePointerConstantNull(pointerOperand))
----------------
efriedma-quic wrote:
I guess it's fine to have different workarounds given the context isn't the
same, but I'd like a comment in the code explaining the relationship between
the two checks, at least.
https://github.com/llvm/llvm-project/pull/137849
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