int
Perl_runops_debug(pTHX)
{
+#if defined DEBUGGING && !defined DEBUGGING_RE_ONLY
+ SSize_t orig_stack_hwm = PL_curstackinfo->si_stack_hwm;
+
+ PL_curstackinfo->si_stack_hwm = PL_stack_sp - PL_stack_base;
+#endif
+
if (!PL_op) {
Perl_ck_warner_d(aTHX_ packWARN(WARN_DEBUGGING), "NULL OP IN RUN");
return 0;
}
-
DEBUG_l(Perl_deb(aTHX_ "Entering new RUNOPS level\n"));
do {
#ifdef PERL_TRACE_OPS
++PL_op_exec_cnt[PL_op->op_type];
#endif
+#if defined DEBUGGING && !defined DEBUGGING_RE_ONLY
+ if (PL_curstackinfo->si_stack_hwm < PL_stack_sp - PL_stack_base)
+ Perl_croak_nocontext(
+ "panic: previous op failed to extend arg stack: "
+ "base=%p, sp=%p, hwm=%p\n",
+ PL_stack_base, PL_stack_sp,
+ PL_stack_base + PL_curstackinfo->si_stack_hwm);
+ PL_curstackinfo->si_stack_hwm = PL_stack_sp - PL_stack_base;
+#endif
if (PL_debug) {
ENTER;
SAVETMPS;
DEBUG_l(Perl_deb(aTHX_ "leaving RUNOPS level\n"));
PERL_ASYNC_CHECK();
+#if defined DEBUGGING && !defined DEBUGGING_RE_ONLY
+ PL_curstackinfo->si_stack_hwm = orig_stack_hwm;
+#endif
TAINT_NOT;
return 0;
}