lib/Lex/Pragma.cpp

1269     std::string WarningName;
1270     if (!PP.FinishLexStringLiteral(Tok, WarningName, "pragma diagnostic",
1279     if (WarningName.size() < 3 || WarningName[0] != '-' ||
1280         (WarningName[1] != 'W' && WarningName[1] != 'R')) {
1285     diag::Flavor Flavor = WarningName[1] == 'W' ? diag::Flavor::WarningOrError
1287     StringRef Group = StringRef(WarningName).substr(2);
1299         << WarningName;
1301       Callbacks->PragmaDiagnostic(DiagLoc, Namespace, SV, WarningName);