libavcodec/atrac3plus.c:1249: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `bitstream_read_bit`.

libavcodec/atrac3plus.c:1250:33: Call
1248.                         } else {
1249.                             if (bitstream_read_bit(bc))
1250.                                 gainc_loc_mode0(bc, ctx, dst, i);  // direct coding
                                      ^
1251.                             else
1252.                                 dst->loc_code[i] = ref->loc_code[i];  // clone master

libavcodec/atrac3plus.c:1154:1: Parameter `bc->bits_left`
  1152.  * @param[in]     pos    position of the value to be processed
  1153.  */
  1154. static inline void gainc_loc_mode0(BitstreamContext *bc, Atrac3pChanUnitCtx *ctx,
        ^
  1155.                                    AtracGainInfo *dst, int pos)
  1156. {

libavcodec/atrac3plus.c:1249:33: Call
1247.                             dst->loc_code[i] = dst->loc_code[i - 1] + delta;
1248.                         } else {
1249.                             if (bitstream_read_bit(bc))
                                      ^
1250.                                 gainc_loc_mode0(bc, ctx, dst, i);  // direct coding
1251.                             else

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, +oo] - 1):unsigned32 by call to `bitstream_read_bit` 
    137.     bc->bits <<= n;
    138. #endif
    139.     bc->bits_left -= n;
             ^
    140. 
    141.     return ret;
