libavcodec/h264_cavlc.c:432: error: Uninitialized Value
  The value read from re_size_plus8 was never initialized.

libavcodec/h264_cavlc.c:432:5: 
430. #endif
431. 
432.     LAST_SKIP_BITS(re, gb, log);
         ^
433.     CLOSE_READER(re, gb);
434. 

static inline int get_level_prefix(GetBitContext *gb){
    unsigned int buf;
    int log;
    OPEN_READER(re, gb);
    UPDATE_CACHE(re, gb);
    buf=GET_CACHE(re, gb);
    log= 32 - av_log2(buf);
#ifdef TRACE
    print_bin(buf>>(32-log), log);
    av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
#endif
    LAST_SKIP_BITS(re, gb, log);
    CLOSE_READER(re, gb);
    return log-1;
}
['static inline int get_level_prefix(GetBitContext *gb){\n    unsigned int buf;\n    int log;\n    OPEN_READER(re, gb);\n    UPDATE_CACHE(re, gb);\n    buf=GET_CACHE(re, gb);\n    log= 32 - av_log2(buf);\n#ifdef TRACE\n    print_bin(buf>>(32-log), log);\n    av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);\n#endif\n    LAST_SKIP_BITS(re, gb, log);\n    CLOSE_READER(re, gb);\n    return log-1;\n}']