libswscale/swscale.c:979: error: Uninitialized Value
  The value read from A2 was never initialized.

libswscale/swscale.c:979:5: 
977. {
978.     int i;
979.     YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0))
         ^
980. }
981. 

static void yuv2packedX_c(SwsContext *c, const int16_t *lumFilter,
                          const int16_t **lumSrc, int lumFilterSize,
                          const int16_t *chrFilter, const int16_t **chrUSrc,
                          const int16_t **chrVSrc, int chrFilterSize,
                          const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
{
    int i;
    YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0))
}
['static void yuv2packedX_c(SwsContext *c, const int16_t *lumFilter,\n                          const int16_t **lumSrc, int lumFilterSize,\n                          const int16_t *chrFilter, const int16_t **chrUSrc,\n                          const int16_t **chrVSrc, int chrFilterSize,\n                          const int16_t **alpSrc, uint8_t *dest, int dstW, int y)\n{\n    int i;\n    YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0))\n}']