751       if (!SS || !SS->isSet()) {  in DiagnoseUnknownTypeName()
780                       tmpSS.isSet() ? &tmpSS : SS, false, false, nullptr,  in DiagnoseUnknownTypeName()
805   if (!SS || (!SS->isSet() && !SS->isInvalid()))  in DiagnoseUnknownTypeName()
909   if (getLangOpts().CPlusPlus && SS.isSet() &&  in ClassifyName()
6252   else if (D.getCXXScopeSpec().isSet()) {  in HandleDeclarator()
6315   if (!D.getCXXScopeSpec().isSet()) {  in HandleDeclarator()
6640   if (D.getCXXScopeSpec().isSet()) {  in ActOnTypedefDeclarator()
6822   if (!SS.isSet()) return;  in SetNestedNameSpecifier()
7973           D.getCXXScopeSpec().isSet()) {  in ActOnVariableDeclarator()
7981     } else if (D.getCXXScopeSpec().isSet()) {  in ActOnVariableDeclarator()
8005               (D.getCXXScopeSpec().isSet() && DC && DC->isRecord() &&  in ActOnVariableDeclarator()
10409                               : (D.getCXXScopeSpec().isSet() &&  in ActOnFunctionDeclarator()
10426       if (D.getCXXScopeSpec().isSet()) {  in ActOnFunctionDeclarator()
14566   if (D.getCXXScopeSpec().isSet()) {  in CheckFunctionOrTemplateParamDeclarator()
17416     if (SS.isSet()) {  in ActOnTag()