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-rw-r--r--src/proc.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/proc.c b/src/proc.c
index 1620bddf8..4f770932b 100644
--- a/src/proc.c
+++ b/src/proc.c
@@ -188,18 +188,13 @@ mrb_proc_call_cfunc(mrb_state *mrb, struct RProc *p, mrb_value self)
return (p->body.func)(mrb, self);
}
-mrb_code*
-mrb_proc_iseq(mrb_state *mrb, struct RProc *p)
-{
- return p->body.irep->iseq;
-}
-
/* 15.2.17.4.2 */
static mrb_value
mrb_proc_arity(mrb_state *mrb, mrb_value self)
{
struct RProc *p = mrb_proc_ptr(self);
- mrb_code *iseq = mrb_proc_iseq(mrb, p);
+ struct mrb_irep *irep;
+ mrb_code *iseq;
mrb_aspec aspec;
int ma, op, ra, pa, arity;
@@ -208,6 +203,12 @@ mrb_proc_arity(mrb_state *mrb, mrb_value self)
return mrb_fixnum_value(-1);
}
+ irep = p->body.irep;
+ if (!irep) {
+ return mrb_fixnum_value(0);
+ }
+
+ iseq = irep->iseq;
/* arity is depend on OP_ENTER */
if (GET_OPCODE(*iseq) != OP_ENTER) {
return mrb_fixnum_value(0);