776       if (!SS || !SS->isSet()) {  in DiagnoseUnknownTypeName()
805                       tmpSS.isSet() ? &tmpSS : SS, false, false, nullptr,  in DiagnoseUnknownTypeName()
830   if (!SS || (!SS->isSet() && !SS->isInvalid()))  in DiagnoseUnknownTypeName()
934   if (getLangOpts().CPlusPlus && SS.isSet() &&  in ClassifyName()
6389   else if (D.getCXXScopeSpec().isSet()) {  in HandleDeclarator()
6452   if (!D.getCXXScopeSpec().isSet()) {  in HandleDeclarator()
6773   if (D.getCXXScopeSpec().isSet()) {  in ActOnTypedefDeclarator()
6967   if (!SS.isSet()) return;  in SetNestedNameSpecifier()
8149           D.getCXXScopeSpec().isSet()) {  in ActOnVariableDeclarator()
8157     } else if (D.getCXXScopeSpec().isSet()) {  in ActOnVariableDeclarator()
8188               (D.getCXXScopeSpec().isSet() && DC && DC->isRecord() &&  in ActOnVariableDeclarator()
10630                               : (D.getCXXScopeSpec().isSet() &&  in ActOnFunctionDeclarator()
10647       if (D.getCXXScopeSpec().isSet()) {  in ActOnFunctionDeclarator()
15049   if (D.getCXXScopeSpec().isSet()) {  in CheckFunctionOrTemplateParamDeclarator()
18024     if (SS.isSet()) {  in ActOnTag()