rsmith added inline comments.
================ Comment at: lib/Sema/SemaExpr.cpp:8808 + Context.getTypeSize(pointerType) == + Context.getTypeSize(IExp->getType())) + IsGNUIdiom = true; ---------------- andrew.w.kaylor wrote: > efriedma wrote: > > Please make sure you use exactly the same check in Sema and CodeGen > > (probably easiest to stick a helper into lib/AST/). > That's a good idea, but I'm not really familiar enough with the structure of > clang to be sure I'm not doing it in a ham-fisted way. Can you clarify? Are > you suggesting adding something like ASTContext::isPointeeTypeCharSize() and > ASTContext::isIntegerTypePointerSize()? Or maybe a single specialized > function somewhere that does both checks like > ASTContext::areOperandNullPointerArithmeticCompatible()? I would suggest something even more specific, such as `isNullPointerPlusIntegerExtension` https://reviews.llvm.org/D37042 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits