1672   if (isASCII(CodePoint))  in diagnoseInvalidUnicodeCodepointInIdentifier()
1705     if (isASCII(CodePoint) || isUnicodeWhitespace(CodePoint))  in tryConsumeIdentifierUCN()
1751     if (isASCII(CodePoint) || isUnicodeWhitespace(CodePoint))  in tryConsumeIdentifierUTF8Char()
1798       !PP->isPreprocessedOutput() && !isASCII(*BufferPtr) &&  in LexUnicodeIdentifierStart()
1852     if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr))  in LexIdentifierContinue()
1972   if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr))  in LexNumericConstant()
1996     else if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr))  in LexUDSuffix()
2066     } else if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr)) {  in LexUDSuffix()
2467     while (isASCII(C) && C != 0 &&   // Potentially EOF.  in SkipLineComment()
2473     if (!isASCII(C)) {  in SkipLineComment()
2768         if (!isASCII(C))  in SkipBlockComment()
2815           HasNonASCII |= !isASCII(CurPtr[I]);  in SkipBlockComment()
2837       if (isASCII(C)) {  in SkipBlockComment()
4304     if (isASCII(Char)) {  in LexTokenInternal()