From 648aa500d60f48640e789ac6b478ad4e2cc54bb4 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 29 Oct 2015 21:21:13 +0000
Subject: [PATCH] * insns.def: nobody set ic->ic_value.value to Qundef.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 4 ++++
 insns.def | 4 +---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 26050a650e..9ccb53ae0a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Oct 30 06:20:40 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* insns.def: nobody set ic->ic_value.value to Qundef.
+
 Fri Oct 30 06:15:50 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* vm.c: add ifndef guard for VM_CHECK_MODE.
diff --git a/insns.def b/insns.def
index cbe36debcc..6b3f6dcf7e 100644
--- a/insns.def
+++ b/insns.def
@@ -1185,9 +1185,7 @@ setinlinecache
 (VALUE val)
 (VALUE val)
 {
-    if (ic->ic_value.value == Qundef) {
-	rb_iseq_add_mark_object(GET_ISEQ(), val);
-    }
+    VM_ASSERT(ic->ic_value.value != Qundef);
     ic->ic_value.value = val;
     ic->ic_serial = GET_GLOBAL_CONSTANT_STATE() - ruby_vm_const_missing_count;
     ic->ic_cref = rb_vm_get_cref(GET_EP());