mkgist-created gist

text.txt

void JSString::traceBase(JSTracer* trc) {
  MOZ_ASSERT(hasBase());
  JSString* oldBase = d.s.u3.base;
  if (I am a DependentString) {
    base = my base
    while (my chars do not come from base)
      base = base.base
  }
  TraceManuallyBarrieredEdge(trc, &d.s.u3.base, "base");
  if (oldBase != d.s.u3.base) {
    char* oldBaseChars = oldBase->chars;
    if (mychars is within oldBaseChars..length)
      repoint to d.s.u3.base's chars
  }
}