From 331f46a25063c8320ac6f6ad023c3edacedb36f1 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 20 Jun 2018 18:10:09 +0000
Subject: add assertion to vm_search_method()

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm_insnhelper.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'vm_insnhelper.c')

diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 57e5499e4e..1f22cc64be 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -1318,6 +1318,9 @@ vm_search_method(const struct rb_call_info *ci, struct rb_call_cache *cc, VALUE
 {
     VALUE klass = CLASS_OF(recv);
 
+    VM_ASSERT(klass != Qfalse);
+    VM_ASSERT(RBASIC_CLASS(klass) == 0 || rb_obj_is_kind_of(klass, rb_cClass));
+
 #if OPT_INLINE_METHOD_CACHE
     if (LIKELY(RB_DEBUG_COUNTER_INC_UNLESS(mc_global_state_miss,
 					   GET_GLOBAL_METHOD_STATE() == cc->method_state) &&
-- 
cgit v1.2.3