if (o->op_type == OP_STUB) {
PL_comppad_name = 0;
PL_compcv = 0;
+ FreeOp(o);
return;
}
PL_main_root = scope(sawparens(scalarvoid(o)));
Perl_ck_concat(pTHX_ OP *o)
{
OP *kid = cUNOPo->op_first;
- if (kid->op_type == OP_CONCAT && !(kUNOP->op_first->op_flags & OPf_MOD))
+ if (kid->op_type == OP_CONCAT && !(kid->op_private & OPpTARGET_MY) &&
+ !(kUNOP->op_first->op_flags & OPf_MOD))
o->op_flags |= OPf_STACKED;
return o;
}
}
if (tmpstr) {
- name = savepv(SvPVX(tmpstr));
- len = strlen(name);
+ name = SvPV(tmpstr, len);
sv_2mortal(tmpstr);
}
}
o->op_seq = PL_op_seqmax++;
break;
+ case OP_CONCAT:
+ if (o->op_next && o->op_next->op_type == OP_STRINGIFY) {
+ if (o->op_next->op_private & OPpTARGET_MY) {
+ if (o->op_flags & OPf_STACKED) /* chained concats */
+ goto ignore_optimization;
+ else {
+ /* assert(PL_opargs[o->op_type] & OA_TARGLEX); */
+ o->op_targ = o->op_next->op_targ;
+ o->op_next->op_targ = 0;
+ o->op_private |= OPpTARGET_MY;
+ }
+ }
+ op_null(o->op_next);
+ }
+ ignore_optimization:
+ o->op_seq = PL_op_seqmax++;
+ break;
case OP_STUB:
if ((o->op_flags & OPf_WANT) != OPf_WANT_LIST) {
o->op_seq = PL_op_seqmax++;