PVS-Studio warning V581 for Chromium

string16 GetAccessString(HandleType handle_type,
                         ACCESS_MASK access) {
  ....
  if (access & FILE_WRITE_ATTRIBUTES)
    output.append(ASCIIToUTF16("\tFILE_WRITE_ATTRIBUTES\n"));
  if (access & FILE_WRITE_DATA)
    output.append(ASCIIToUTF16("\tFILE_WRITE_DATA\n"));
  if (access & FILE_WRITE_EA)
    output.append(ASCIIToUTF16("\tFILE_WRITE_EA\n"));
  if (access & FILE_WRITE_EA)
    output.append(ASCIIToUTF16("\tFILE_WRITE_EA\n"));
  break;
  ....
}

This suspicious code was found in Chromium project by PVS-Studio static code analyzer.
Warning message is:
V581 The conditional expressions of the 'if' operators situated alongside each other are identical. Check lines: 176, 178. handle_enumerator_win.cc 178

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/