* vm.c (rb_thread_mark): mark stat_insn_usage only when ptr is not

  null.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@16325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/vm.c b/vm.c
index 4be437163..e3ad6260c 100644
--- a/vm.c
+++ b/vm.c
@@ -1637,6 +1637,7 @@ rb_thread_mark(void *ptr)
 	RUBY_MARK_UNLESS_NULL(th->top_wrapper);
 	RUBY_MARK_UNLESS_NULL(th->fiber);
 	RUBY_MARK_UNLESS_NULL(th->root_fiber);
+	RUBY_MARK_UNLESS_NULL(th->stat_insn_usage);
 
 	rb_mark_tbl(th->local_storage);
 
@@ -1650,7 +1651,6 @@ rb_thread_mark(void *ptr)
 	mark_event_hooks(th->event_hooks);
     }
 
-    RUBY_MARK_UNLESS_NULL(th->stat_insn_usage);
     RUBY_MARK_LEAVE("thread");
 }