697       if (!SS || !SS->isSet()) {  in DiagnoseUnknownTypeName()
726                       tmpSS.isSet() ? &tmpSS : SS, false, false, nullptr,  in DiagnoseUnknownTypeName()
751   if (!SS || (!SS->isSet() && !SS->isInvalid()))  in DiagnoseUnknownTypeName()
870   if (getLangOpts().CPlusPlus && SS.isSet() &&  in ClassifyName()
5799   else if (D.getCXXScopeSpec().isSet()) {  in HandleDeclarator()
5862   if (!D.getCXXScopeSpec().isSet()) {  in HandleDeclarator()
6187   if (D.getCXXScopeSpec().isSet()) {  in ActOnTypedefDeclarator()
6369   if (!SS.isSet()) return;  in SetNestedNameSpecifier()
7476           D.getCXXScopeSpec().isSet()) {  in ActOnVariableDeclarator()
7484     } else if (D.getCXXScopeSpec().isSet()) {  in ActOnVariableDeclarator()
7508               (D.getCXXScopeSpec().isSet() && DC && DC->isRecord() &&  in ActOnVariableDeclarator()
9759                               : (D.getCXXScopeSpec().isSet() &&  in ActOnFunctionDeclarator()
9776       if (D.getCXXScopeSpec().isSet()) {  in ActOnFunctionDeclarator()
13678   if (D.getCXXScopeSpec().isSet()) {  in CheckFunctionOrTemplateParamDeclarator()
16321     if (SS.isSet()) {  in ActOnTag()