libavcodec/ivi_dsp.c:89: error: Uninitialized Value
  The value read from b2_3 was never initialized.

libavcodec/ivi_dsp.c:89:13: 
87.             /* be reused in the next ones, so do appropriate copying */
88.             b2_1 = b2_2; // b2[x-1,y  ] = b2[x,  y  ]
89.             b2_2 = b2_3; // b2[x  ,y  ] = b2[x+1,y  ]
                ^
90.             b2_4 = b2_5; // b2[x-1,y+1] = b2[x  ,y+1]
91.             b2_5 = b2_6; // b2[x  ,y+1] = b2[x+1,y+1]
