1546                                       bool IsStart, bool &IsExtension) {  in isMathematicalExtensionID()  argument
1553     IsExtension = true;  in isMathematicalExtensionID()
1560                             bool &IsExtension) {  in isAllowedIDChar()  argument
1575                                      IsExtension);  in isAllowedIDChar()
1588                                      bool &IsExtension) {  in isAllowedInitiallyIDChar()  argument
1590   IsExtension = false;  in isAllowedInitiallyIDChar()
1599                                      IsExtension);  in isAllowedInitiallyIDChar()
1601   if (!isAllowedIDChar(C, LangOpts, IsExtension))  in isAllowedInitiallyIDChar()
1745   bool IsExtension;  in diagnoseInvalidUnicodeCodepointInIdentifier()  local
1746   bool IsIDStart = isAllowedInitiallyIDChar(CodePoint, LangOpts, IsExtension);  in diagnoseInvalidUnicodeCodepointInIdentifier()
1748       IsIDStart || isAllowedIDChar(CodePoint, LangOpts, IsExtension);  in diagnoseInvalidUnicodeCodepointInIdentifier()
1773   bool IsExtension = false;  in tryConsumeIdentifierUCN()  local
1774   if (!isAllowedIDChar(CodePoint, LangOpts, IsExtension)) {  in tryConsumeIdentifierUCN()
1788     if (IsExtension)  in tryConsumeIdentifierUCN()
1824   bool IsExtension = false;  in tryConsumeIdentifierUTF8Char()  local
1826                        IsExtension)) {  in tryConsumeIdentifierUTF8Char()
1839     if (IsExtension)  in tryConsumeIdentifierUTF8Char()
1860   bool IsExtension = false;  in LexUnicodeIdentifierStart()  local
1861   if (isAllowedInitiallyIDChar(C, LangOpts, IsExtension)) {  in LexUnicodeIdentifierStart()
1864       if (IsExtension)  in LexUnicodeIdentifierStart()