PVS-Studio warning V501 for Clang

AsmToken AsmLexer::LexLineComment() {
  // FIXME: This is broken if we happen to a comment
  // at the end of a file, which was .included, and
  // which doesn't end with a newline.
  int CurChar = getNextChar();
  while (CurChar != '\n' && CurChar != '\n' && CurChar != EOF)
    CurChar = getNextChar();
  ...
}

Most likely this is what should be written here: (CurChar != '\n' && CurChar != '\r' && CurChar != EOF).

This suspicious code was found in Clang project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions to the left and to the right of the '&&' operator: CurChar != '\n' && CurChar != '\n' LLVMMCParser asmlexer.cpp 149

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