From 7bfdcace527f763055481727011bb8d172297f04 Mon Sep 17 00:00:00 2001
From: fleuria <me.ssword@gmail.com>
Date: Wed, 24 Jul 2013 18:27:23 +0800
Subject: fix warning

---
 src/gc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/gc.c b/src/gc.c
index f335345df..22d47c6fc 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -779,7 +779,7 @@ static void
 gc_mark_gray_list(mrb_state *mrb, struct RBasic **gray_list) {
   struct RBasic *obj;
 
-  while (obj = *gray_list) {
+  while ((obj = *gray_list)) {
     if (is_gray(obj)) {
       gc_mark_children(mrb, obj);
     }
-- 
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