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509     int overflow = 0;   /* number of elements with bit length too large */
514 * overflow in the case of the bit length tree).
521 if (bits > max_length) bits = max_length, overflow++;
534 if (overflow == 0) return;
536 Trace((stderr,"\nbit length overflow\n"));
544 s->bl_count[bits+1] += 2; /* move one overflow item as its brother */
546 /* The brother of the overflow item also moves one step up,
549 overflow -= 2;
550 } while (overflow > 0);
1116 "pendingBuf overflow");