pat3              188 gc/reclaim.c   GC_bool GC_block_nearly_full3(hhdr, pat1, pat2, pat3)
pat3              190 gc/reclaim.c   word pat1, pat2, pat3;
pat3              205 gc/reclaim.c   	if ((hhdr -> hb_marks[i+2] | ~pat3) != ONES) {