556     struct TemplateArgumentInfo {  struct in __anon9bd150090111::TemplateDiff::DiffTree
557       QualType ArgType;
558       Qualifiers Qual;
559       llvm::APSInt Val;
560       bool IsValidInt = false;
561       Expr *ArgExpr = nullptr;
562       TemplateDecl *TD = nullptr;
563       ValueDecl *VD = nullptr;
564       bool NeedAddressOf = false;
565       bool IsNullPtr = false;
566       bool IsDefault = false;