diff options
Diffstat (limited to 'clang/lib/Sema/SemaTemplate.cpp')
-rw-r--r-- | clang/lib/Sema/SemaTemplate.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp index 3b85b98abdd..0b4b083ffbd 100644 --- a/clang/lib/Sema/SemaTemplate.cpp +++ b/clang/lib/Sema/SemaTemplate.cpp @@ -414,9 +414,22 @@ Sema::ActOnDependentIdExpression(const CXXScopeSpec &SS, const TemplateArgumentListInfo *TemplateArgs) { DeclContext *DC = getFunctionLevelDeclContext(); - if (!isAddressOfOperand && - isa<CXXMethodDecl>(DC) && - cast<CXXMethodDecl>(DC)->isInstance()) { + // C++11 [expr.prim.general]p12: + // An id-expression that denotes a non-static data member or non-static + // member function of a class can only be used: + // (...) + // - if that id-expression denotes a non-static data member and it + // appears in an unevaluated operand. + // + // If this might be the case, form a DependentScopeDeclRefExpr instead of a + // CXXDependentScopeMemberExpr. The former can instantiate to either + // DeclRefExpr or MemberExpr depending on lookup results, while the latter is + // always a MemberExpr. + bool MightBeCxx11UnevalField = + getLangOpts().CPlusPlus11 && isUnevaluatedContext(); + + if (!MightBeCxx11UnevalField && !isAddressOfOperand && + isa<CXXMethodDecl>(DC) && cast<CXXMethodDecl>(DC)->isInstance()) { QualType ThisType = cast<CXXMethodDecl>(DC)->getThisType(Context); // Since the 'this' expression is synthesized, we don't need to |