From 8ed4c1a42042e66ecbafd65ed5602154c39b4e65 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 19 Mar 2015 13:13:46 +0000
Subject: * gc.c (rb_copy_wb_protected_attribute): `dest' can be WB
 unprotected.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50028 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 gc.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

(limited to 'gc.c')

diff --git a/gc.c b/gc.c
index 2a191ae90e..a0158d24db 100644
--- a/gc.c
+++ b/gc.c
@@ -5734,12 +5734,7 @@ rb_copy_wb_protected_attribute(VALUE dest, VALUE obj)
 #if USE_RGENGC
     rb_objspace_t *objspace = &rb_objspace;
 
-    if (RGENGC_CHECK_MODE > 0 && RVALUE_WB_UNPROTECTED(dest)) {
-	rb_bug("rb_copy_wb_protected_attribute: dest should not be WB unprotected - %s",
-	       obj_info(dest));
-    }
-
-    if (RVALUE_WB_UNPROTECTED(obj)) {
+    if (RVALUE_WB_UNPROTECTED(obj) && !RVALUE_WB_UNPROTECTED(dest)) {
 	if (!RVALUE_OLD_P(dest)) {
 	    MARK_IN_BITMAP(GET_HEAP_WB_UNPROTECTED_BITS(dest), dest);
 	    RVALUE_AGE_RESET_RAW(dest);
-- 
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