diff options
Diffstat (limited to 'op.c')
| -rw-r--r-- | op.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -1691,7 +1691,7 @@ Perl_ref(pTHX_ OP *o, I32 type) switch (o->op_type) { case OP_ENTERSUB: - if ((type == OP_DEFINED || type == OP_LOCK) && + if ((type == OP_EXISTS || type == OP_DEFINED || type == OP_LOCK) && !(o->op_flags & OPf_STACKED)) { o->op_type = OP_RV2CV; /* entersub => rv2cv */ o->op_ppaddr = PL_ppaddr[OP_RV2CV]; @@ -5033,7 +5033,14 @@ Perl_ck_exists(pTHX_ OP *o) o = ck_fun(o); if (o->op_flags & OPf_KIDS) { OP *kid = cUNOPo->op_first; - if (kid->op_type == OP_AELEM) + if (kid->op_type == OP_ENTERSUB) { + (void) ref(kid, o->op_type); + if (kid->op_type != OP_RV2CV && !PL_error_count) + Perl_croak(aTHX_ "%s argument is not a subroutine name", + PL_op_desc[o->op_type]); + o->op_private |= OPpEXISTS_SUB; + } + else if (kid->op_type == OP_AELEM) o->op_flags |= OPf_SPECIAL; else if (kid->op_type != OP_HELEM) Perl_croak(aTHX_ "%s argument is not a HASH or ARRAY element", |