D_GFORMAT
if (FORMAT_MISMATCHED(D_GFORMAT))
diff_format = D_GFORMAT;
if ((diff_format != D_IFDEF || diff_format == D_GFORMAT) &&
if (diff_format == D_GFORMAT) {
if (diff_format != D_GFORMAT && diff_format != D_SIDEBYSIDE)
if (diff_format != D_IFDEF && diff_format != D_GFORMAT &&
if (diff_format == D_IFDEF || diff_format == D_GFORMAT) {