OP_CONDITION     1397 regcomp.c          r = add_opcode(reg, OP_CONDITION);
OP_CONDITION     6242 regcomp.c        { OP_CONDITION,            "condition",            ARG_SPECIAL },
OP_CONDITION     6536 regcomp.c          case OP_CONDITION:
OP_CONDITION     3052 regexec.c          CASE(OP_CONDITION)  MOP_IN(OP_CONDITION);