1520   } else if (LangOpts.CPlusPlus || LangOpts.C23) {  in isAllowedIDChar()
1549   if (LangOpts.CPlusPlus || LangOpts.C23) {  in isAllowedInitiallyIDChar()
2030         Diag(CurPtr, LangOpts.CPlusPlus  in LexNumericConstant()
2056   assert(LangOpts.CPlusPlus);  in LexUDSuffix()
2156     Diag(BufferPtr, LangOpts.CPlusPlus ? diag::warn_cxx98_compat_unicode_literal  in LexStringLiteral()
2191   if (LangOpts.CPlusPlus)  in LexStringLiteral()
2275   if (LangOpts.CPlusPlus)  in LexRawStringLiteral()
2371       Diag(BufferPtr, LangOpts.CPlusPlus  in LexCharConstant()
2413   if (LangOpts.CPlusPlus)  in LexCharConstant()
3347   if (!LangOpts.CPlusPlus && !LangOpts.C99) {  in tryReadNumericUCN()
3424         << /*delimited*/ 0 << (PP->getLangOpts().CPlusPlus ? 1 : 0);  in tryReadNumericUCN()
3512         << /*named*/ 1 << (PP->getLangOpts().CPlusPlus ? 1 : 0);  in tryReadNamedUCN()
3591       if (LangOpts.CPlusPlus && !LangOpts.CPlusPlus11)  in tryReadUCN()
3779         LineComment && (LangOpts.CPlusPlus || !LangOpts.TraditionalCPP)) {  in LexTokenInternal()
4002     } else if (LangOpts.CPlusPlus && Char == '*') {  in LexTokenInternal()
4051     } else if (Char == '>' && LangOpts.CPlusPlus &&  in LexTokenInternal()
4090           LineComment && (LangOpts.CPlusPlus || !LangOpts.TraditionalCPP);  in LexTokenInternal()
4197         if (LangOpts.CPlusPlus && !isLexingRawMode()) {  in LexTokenInternal()