PVS-Studio warning V517 for Skia

SkString*
SkObjectParser::SaveFlagsToString(SkCanvas::SaveFlags flags)
{
  SkString* mFlags = new SkString("SkCanvas::SaveFlags: ");

  if(flags == SkCanvas::kMatrixClip_SaveFlag) {
    mFlags->append("kMatrixClip_SaveFlag");
  ....
  } else if (flags == SkCanvas::kMatrixClip_SaveFlag) {
    mFlags->append("kMatrixClip_SaveFlag");
  ....
}

This suspicious code was found in Skia project by PVS-Studio static code analyzer.
Warning message is:
V517 The use of 'if (A) {...} else if (A) {...}' pattern was detected. There is a probability of logical error presence. Check lines: 301, 311. skobjectparser.cpp 301

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