libavcodec/vp9dsp.c:1607: error: Uninitialized Value
  The value read from p5 was never initialized.

libavcodec/vp9dsp.c:1607:13: 
1605.             dst[strideb * -5] = (p7 + p7 + p7 + p7 + p7 + p6 + p5 + p4 * 2 +
1606.                                  p3 + p2 + p1 + p0 + q0 + q1 + q2 + 8) >> 4;
1607.             dst[strideb * -4] = (p7 + p7 + p7 + p7 + p6 + p5 + p4 + p3 * 2 +
                  ^
1608.                                  p2 + p1 + p0 + q0 + q1 + q2 + q3 + 8) >> 4;
1609.             dst[strideb * -3] = (p7 + p7 + p7 + p6 + p5 + p4 + p3 + p2 * 2 +
