FSE_MIN_TABLELOG
nbBits = (bitStream & 0xF) + FSE_MIN_TABLELOG; /* extract tableLog */
bitStream += (tableLog-FSE_MIN_TABLELOG) << bitCount;
if (tableLog < FSE_MIN_TABLELOG) return ERROR(GENERIC); /* Unsupported */
if (tableLog < FSE_MIN_TABLELOG) tableLog = FSE_MIN_TABLELOG;
if (tableLog < FSE_MIN_TABLELOG) return ERROR(GENERIC); /* Unsupported size */