libavcodec/bink.c:636: error: Integer Overflow L2
  (1 - [0, 2]):unsigned32.

libavcodec/bink.c:636:38: <RHS trace>
634.                     } else {
635.                         if (!bits) {
636.                             t = 1 - (get_bits1(gb) << 1);
                                          ^
637.                         } else {
638.                             t = get_bits(gb, bits) | 1 << bits;

libavcodec/bink.c:636:38: Call
634.                     } else {
635.                         if (!bits) {
636.                             t = 1 - (get_bits1(gb) << 1);
                                          ^
637.                         } else {
638.                             t = get_bits(gb, bits) | 1 << bits;

libavcodec/get_bits.h:255:1: Parameter `s->index`
  253. }
  254. 
  255. static inline unsigned int get_bits1(GetBitContext *s)
       ^
  256. {
  257.     unsigned int index = s->index;

libavcodec/get_bits.h:257:5: Assignment
  255. static inline unsigned int get_bits1(GetBitContext *s)
  256. {
  257.     unsigned int index = s->index;
           ^
  258.     uint8_t result = s->buffer[index>>3];
  259. #ifdef BITSTREAM_READER_LE

libavcodec/get_bits.h:260:5: Assignment
  258.     uint8_t result = s->buffer[index>>3];
  259. #ifdef BITSTREAM_READER_LE
  260.     result >>= index & 7;
           ^
  261.     result &= 1;
  262. #else

libavcodec/get_bits.h:261:5: Assignment
  259. #ifdef BITSTREAM_READER_LE
  260.     result >>= index & 7;
  261.     result &= 1;
           ^
  262. #else
  263.     result <<= index & 7;

libavcodec/get_bits.h:272:5: Assignment
  270.     s->index = index;
  271. 
  272.     return result;
           ^
  273. }
  274. 

libavcodec/bink.c:636:29: Binary operation: (1 - [0, 2]):unsigned32
634.                     } else {
635.                         if (!bits) {
636.                             t = 1 - (get_bits1(gb) << 1);
                                 ^
637.                         } else {
638.                             t = get_bits(gb, bits) | 1 << bits;
