libavcodec/wmavoice.c:937: error: Integer Overflow L2
  ([1, +oo] - 6):unsigned32 by call to `bitstream_read`.

libavcodec/wmavoice.c:937:12: Call
935. 
936.     v[0] = bitstream_read(bc, 8);
937.     v[1] = bitstream_read(bc, 6);
                ^
938.     v[2] = bitstream_read(bc, 7);
939.     v[3] = bitstream_read(bc, 6);

libavcodec/bitstream.h:183:1: Parameter `n`
  181. 
  182. /* Return n bits from the buffer. n has to be in the 0-32 range. */
  183. static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)
       ^
  184. {
  185.     if (!n)

libavcodec/bitstream.h:194:12: Call
  192.     }
  193. 
  194.     return get_val(bc, n);
                  ^
  195. }
  196. 

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: ([1, +oo] - 6):unsigned32 by call to `bitstream_read` 
    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 void dequant_lsp16i(BitstreamContext *bc, double *lsps)\n{\n    static const uint16_t vec_sizes[5] = { 256, 64, 128, 64, 128 };\n    static const double mul_lsf[5] = {\n        3.3439586280e-3,    6.9908173703e-4,\n        3.3216608306e-3,    1.0334960326e-3,\n        3.1899104283e-3\n    };\n    static const double base_lsf[5] = {\n        M_PI * -1.27576e-1, M_PI * -2.4292e-2,\n        M_PI * -1.28094e-1, M_PI * -3.2128e-2,\n        M_PI * -1.29816e-1\n    };\n    uint16_t v[5];\n    v[0] = bitstream_read(bc, 8);\n    v[1] = bitstream_read(bc, 6);\n    v[2] = bitstream_read(bc, 7);\n    v[3] = bitstream_read(bc, 6);\n    v[4] = bitstream_read(bc, 7);\n    dequant_lsps( lsps,     5,  v,     vec_sizes,    2,\n                 wmavoice_dq_lsp16i1,  mul_lsf,     base_lsf);\n    dequant_lsps(&lsps[5],  5, &v[2], &vec_sizes[2], 2,\n                 wmavoice_dq_lsp16i2, &mul_lsf[2], &base_lsf[2]);\n    dequant_lsps(&lsps[10], 6, &v[4], &vec_sizes[4], 1,\n                 wmavoice_dq_lsp16i3, &mul_lsf[4], &base_lsf[4]);\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n    if (!n)\n        return 0;\n    if (n > bc->bits_left) {\n        refill_32(bc);\n        if (bc->bits_left < 32)\n            bc->bits_left = n;\n    }\n    return get_val(bc, n);\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}']