Check if irep is NULL before print_backtrace()

According to the valgrind log attached to #3438, proc->body.irep
may be NULL in some cases.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2017-02-08 23:10:25 +09:00
parent af4d74fc7d
commit 4b32e651a5
+1
View File
@@ -118,6 +118,7 @@ each_backtrace(mrb_state *mrb, mrb_int ciidx, mrb_code *pc0, each_backtrace_func
if (MRB_PROC_CFUNC_P(ci->proc)) continue;
irep = ci->proc->body.irep;
if (!irep) continue;
if (mrb->c->cibase[i].err) {
pc = mrb->c->cibase[i].err;