From 32db0e5d8ca2aa2d8e7ce6577f9e0c5cee76ba0d Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Sat, 28 Apr 2012 00:32:34 +0900
Subject: struct RString member should not be mrb_value

---
 src/gc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/gc.c')

diff --git a/src/gc.c b/src/gc.c
index 995678b0c..687e601a9 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -351,8 +351,9 @@ gc_mark_children(mrb_state *mrb, struct RBasic *obj)
     {
       struct RString *s = (struct RString*)obj;
 
-      if (s->flags & MRB_STR_SHARED) {
-        mrb_gc_mark_value(mrb, s->aux.shared)
+      while (s->flags & MRB_STR_SHARED) {
+	s = s->aux.shared;
+	if (!s) break;
       }
     }
     break;
-- 
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