* marshal.c (w_object): add volatile to avoid potential GC bug. a

  patch from Tomoyuki Chikanaga <chikanag at nippon-control-system.co.jp>
  in [ruby-dev:34311].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15966 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/marshal.c b/marshal.c
index bbe8ba0e27..723f8dde33 100644
--- a/marshal.c
+++ b/marshal.c
@@ -575,7 +575,7 @@ w_object(VALUE obj, struct dump_arg *arg, int limit)
 	if (OBJ_TAINTED(obj)) arg->taint = Qtrue;
 
 	if (rb_respond_to(obj, s_mdump)) {
-	    VALUE v;
+	    volatile VALUE v;
 
             st_add_direct(arg->data, obj, arg->data->num_entries);