libavcodec/vble.c:51: error: Integer Overflow L2
  ([0, +oo] - [`bc->bits_left`, `bc->bits_left` + 32]):unsigned32 by call to `bitstream_skip`.

libavcodec/vble.c:50:19: Unknown value from: __builtin_clz
48. 
49.     if (val) {
50.         val = 7 - av_log2_16bit(ff_reverse[val]);
                      ^
51.         bitstream_skip(bc, val + 1);
52.         return val;

libavcodec/vble.c:50:9: Assignment
48. 
49.     if (val) {
50.         val = 7 - av_log2_16bit(ff_reverse[val]);
            ^
51.         bitstream_skip(bc, val + 1);
52.         return val;

libavcodec/vble.c:51:9: Call
49.     if (val) {
50.         val = 7 - av_log2_16bit(ff_reverse[val]);
51.         bitstream_skip(bc, val + 1);
            ^
52.         return val;
53.     } else {

libavcodec/bitstream.h:241:1: <LHS trace>
239. 
240. /* Skip n bits in the buffer. */
241. static inline void bitstream_skip(BitstreamContext *bc, unsigned n)
     ^
242. {
243.     if (n <= bc->bits_left)

libavcodec/bitstream.h:241:1: Parameter `n`
  239. 
  240. /* Skip n bits in the buffer. */
  241. static inline void bitstream_skip(BitstreamContext *bc, unsigned n)
       ^
  242. {
  243.     if (n <= bc->bits_left)

libavcodec/bitstream.h:241:1: <RHS trace>
239. 
240. /* Skip n bits in the buffer. */
241. static inline void bitstream_skip(BitstreamContext *bc, unsigned n)
     ^
242. {
243.     if (n <= bc->bits_left)

libavcodec/bitstream.h:241:1: Parameter `n`
  239. 
  240. /* Skip n bits in the buffer. */
  241. static inline void bitstream_skip(BitstreamContext *bc, unsigned n)
       ^
  242. {
  243.     if (n <= bc->bits_left)

libavcodec/bitstream.h:246:9: Binary operation: ([0, +oo] - [bc->bits_left, bc->bits_left + 32]):unsigned32 by call to `bitstream_skip` 
  244.         skip_remaining(bc, n);
  245.     else {
  246.         n -= bc->bits_left;
               ^
  247.         skip_remaining(bc, bc->bits_left);
  248.         if (n >= 64) {
