OP_BACKREFN_IC   1678 ext/mbstring/oniguruma/regcomp.c 	  r = add_opcode(reg, OP_BACKREFN_IC);
OP_BACKREFN_IC   5719 ext/mbstring/oniguruma/regcomp.c   { OP_BACKREFN_IC,         "backrefn-ic",          ARG_SPECIAL },
OP_BACKREFN_IC   5972 ext/mbstring/oniguruma/regcomp.c     case OP_BACKREFN_IC:
OP_BACKREFN_IC   2170 ext/mbstring/oniguruma/regexec.c     case OP_BACKREFN_IC:  MOP_IN(OP_BACKREFN_IC);