OP_SEMI_END_BUF  1480 regcomp.c        case ANCHOR_SEMI_END_BUF:   r = add_opcode(reg, OP_SEMI_END_BUF);   break;
OP_SEMI_END_BUF  6196 regcomp.c        { OP_SEMI_END_BUF,        "semi-end-buf",    ARG_NON },
OP_SEMI_END_BUF  2421 regexec.c          CASE(OP_SEMI_END_BUF)  MOP_IN(OP_SEMI_END_BUF);