1565   } else if (LangOpts.CPlusPlus || LangOpts.C23) {  in isAllowedIDChar()
1594   if (LangOpts.CPlusPlus || LangOpts.C23) {  in isAllowedInitiallyIDChar()
2075         Diag(CurPtr, LangOpts.CPlusPlus  in LexNumericConstant()
2101   assert(LangOpts.CPlusPlus);  in LexUDSuffix()
2201     Diag(BufferPtr, LangOpts.CPlusPlus ? diag::warn_cxx98_compat_unicode_literal  in LexStringLiteral()
2236   if (LangOpts.CPlusPlus)  in LexStringLiteral()
2331   if (LangOpts.CPlusPlus)  in LexRawStringLiteral()
2427       Diag(BufferPtr, LangOpts.CPlusPlus  in LexCharConstant()
2469   if (LangOpts.CPlusPlus)  in LexCharConstant()
3403   if (!LangOpts.CPlusPlus && !LangOpts.C99) {  in tryReadNumericUCN()
3480         << /*delimited*/ 0 << (PP->getLangOpts().CPlusPlus ? 1 : 0);  in tryReadNumericUCN()
3568         << /*named*/ 1 << (PP->getLangOpts().CPlusPlus ? 1 : 0);  in tryReadNamedUCN()
3647       if (LangOpts.CPlusPlus && !LangOpts.CPlusPlus11)  in tryReadUCN()
3835         LineComment && (LangOpts.CPlusPlus || !LangOpts.TraditionalCPP)) {  in LexTokenInternal()
4058     } else if (LangOpts.CPlusPlus && Char == '*') {  in LexTokenInternal()
4107     } else if (Char == '>' && LangOpts.CPlusPlus &&  in LexTokenInternal()
4146           LineComment && (LangOpts.CPlusPlus || !LangOpts.TraditionalCPP);  in LexTokenInternal()
4253         if (LangOpts.CPlusPlus && !isLexingRawMode()) {  in LexTokenInternal()