libavcodec/smacker.c:367: error: Integer Overflow L2
  ([0, max(64, `bc->bits_left`)] - 1):unsigned32 by call to `bitstream_read_bit`.

libavcodec/smacker.c:360:1: Parameter `bc->bits_left`
358. 
359. /* get code and update history */
360. static av_always_inline int smk_get_code(BitstreamContext *bc, int *recode,
     ^
361.                                          int *last)
362. {

libavcodec/smacker.c:367:13: Call
365. 
366.     while(*table & SMK_NODE) {
367.         if (bitstream_read_bit(bc))
                 ^
368.             table += (*table) & (~SMK_NODE);
369.         table++;

libavcodec/bitstream.h:145:1: Parameter `bc->bits_left`
  143. 
  144. /* Return one bit from the buffer. */
  145. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
       ^
  146. {
  147.     if (!bc->bits_left)

libavcodec/bitstream.h:150:12: Call
  148.         refill_64(bc);
  149. 
  150.     return get_val(bc, 1);
                  ^
  151. }
  152. 

libavcodec/bitstream.h:130:1: <LHS trace>
128. }
129. 
130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
     ^
131. {
132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: Parameter `bc->bits_left`
    128. }
    129. 
    130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    131. {
    132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: <RHS trace>
128. }
129. 
130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
     ^
131. {
132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: Parameter `n`
    128. }
    129. 
    130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    131. {
    132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:139:5: Binary operation: ([0, max(64, bc->bits_left)] - 1):unsigned32 by call to `bitstream_read_bit` 
    137.     bc->bits <<= n;
    138. #endif
    139.     bc->bits_left -= n;
             ^
    140. 
    141.     return ret;

static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
    bc->bits >>= n;
#else
    uint64_t ret = bc->bits >> (64 - n);
    bc->bits <<= n;
#endif
    bc->bits_left -= n;
    return ret;
}
['static av_always_inline int smk_get_code(BitstreamContext *bc, int *recode,\n                                         int *last)\n{\n    register int *table = recode;\n    int v;\n    while(*table & SMK_NODE) {\n        if (bitstream_read_bit(bc))\n            table += (*table) & (~SMK_NODE);\n        table++;\n    }\n    v = *table;\n    if(v != recode[last[0]]) {\n        recode[last[2]] = recode[last[1]];\n        recode[last[1]] = recode[last[0]];\n        recode[last[0]] = v;\n    }\n    return v;\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n    if (!bc->bits_left)\n        refill_64(bc);\n    return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n    bc->bits >>= n;\n#else\n    uint64_t ret = bc->bits >> (64 - n);\n    bc->bits <<= n;\n#endif\n    bc->bits_left -= n;\n    return ret;\n}']