bitset_copy      3746 lib/regexec.c  	      bitset_copy (dests_ch[ndests], remains);
bitset_copy      3747 lib/regexec.c  	      bitset_copy (dests_ch[j], intersec);
bitset_copy      3766 lib/regexec.c  	  bitset_copy (dests_ch[ndests], accepts);