1624   if (isASCII(CodePoint))  in diagnoseInvalidUnicodeCodepointInIdentifier()
1658     if (isASCII(CodePoint) || isUnicodeWhitespace(CodePoint))  in tryConsumeIdentifierUCN()
1697     if (isASCII(CodePoint) || isUnicodeWhitespace(CodePoint))  in tryConsumeIdentifierUTF8Char()
1737       !PP->isPreprocessedOutput() && !isASCII(*BufferPtr) &&  in LexUnicodeIdentifierStart()
1791     if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr))  in LexIdentifierContinue()
1911   if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr))  in LexNumericConstant()
1935     else if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr))  in LexUDSuffix()
2005     } else if (!isASCII(C) && tryConsumeIdentifierUTF8Char(CurPtr)) {  in LexUDSuffix()
2406     while (isASCII(C) && C != 0 &&   // Potentially EOF.  in SkipLineComment()
2412     if (!isASCII(C)) {  in SkipLineComment()
2707         if (!isASCII(C))  in SkipBlockComment()
2754           HasNonASCII |= !isASCII(CurPtr[I]);  in SkipBlockComment()
2776       if (isASCII(C)) {  in SkipBlockComment()
4236     if (isASCII(Char)) {  in LexTokenInternal()