1476                                       bool IsStart, bool &IsExtension) {  in isMathematicalExtensionID()  argument
1483     IsExtension = true;  in isMathematicalExtensionID()
1490                             bool &IsExtension) {  in isAllowedIDChar()  argument
1505                                      IsExtension);  in isAllowedIDChar()
1518                                      bool &IsExtension) {  in isAllowedInitiallyIDChar()  argument
1520   IsExtension = false;  in isAllowedInitiallyIDChar()
1529                                      IsExtension);  in isAllowedInitiallyIDChar()
1531   if (!isAllowedIDChar(C, LangOpts, IsExtension))  in isAllowedInitiallyIDChar()
1675   bool IsExtension;  in diagnoseInvalidUnicodeCodepointInIdentifier()  local
1676   bool IsIDStart = isAllowedInitiallyIDChar(CodePoint, LangOpts, IsExtension);  in diagnoseInvalidUnicodeCodepointInIdentifier()
1678       IsIDStart || isAllowedIDChar(CodePoint, LangOpts, IsExtension);  in diagnoseInvalidUnicodeCodepointInIdentifier()
1703   bool IsExtension = false;  in tryConsumeIdentifierUCN()  local
1704   if (!isAllowedIDChar(CodePoint, LangOpts, IsExtension)) {  in tryConsumeIdentifierUCN()
1718     if (IsExtension)  in tryConsumeIdentifierUCN()
1748   bool IsExtension = false;  in tryConsumeIdentifierUTF8Char()  local
1750                        IsExtension)) {  in tryConsumeIdentifierUTF8Char()
1763     if (IsExtension)  in tryConsumeIdentifierUTF8Char()
1779   bool IsExtension = false;  in LexUnicodeIdentifierStart()  local
1780   if (isAllowedInitiallyIDChar(C, LangOpts, IsExtension)) {  in LexUnicodeIdentifierStart()
1783       if (IsExtension)  in LexUnicodeIdentifierStart()