libavcodec/h264pred.c:324: error: Uninitialized Value
  The value read from l2 was never initialized.

libavcodec/h264pred.c:324:5: 
322.     LOAD_LEFT_EDGE
323. 
324.     pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
         ^
325. }
326. 

static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){
    LOAD_LEFT_EDGE
    pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
}
['static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){\n    LOAD_LEFT_EDGE\n    pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);\n}']