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];
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",