OP_BACKREFN_IC   1658 ext/mbstring/oniguruma/regcomp.c 	  r = add_opcode(reg, OP_BACKREFN_IC);
OP_BACKREFN_IC   5488 ext/mbstring/oniguruma/regcomp.c   { OP_BACKREFN_IC,         "backrefn-ic",          ARG_SPECIAL },
OP_BACKREFN_IC   5741 ext/mbstring/oniguruma/regcomp.c     case OP_BACKREFN_IC:
OP_BACKREFN_IC   2340 ext/mbstring/oniguruma/regexec.c     case OP_BACKREFN_IC:  STAT_OP_IN(OP_BACKREFN_IC);