PR jit/63854: Fix leak of worklist within jit-recording.c

gcc/jit/ChangeLog:
	PR jit/63854
	* jit-recording.c (recording::function::validate): Convert
	"worklist" from vec<> to autovec<> to fix a leak.

From-SVN: r217802

gcc/jit/ChangeLog

+2014-11-19  David Malcolm  <dmalcolm@redhat.com>
+
+	PR jit/63854
+	* jit-recording.c (recording::function::validate): Convert
+	"worklist" from vec<> to autovec<> to fix a leak.
+
 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 
 	* ChangeLog.jit: New.

gcc/jit/jit-recording.c

@@ -2187,8 +2187,7 @@ recording::function::validate ()
     {
       /* Iteratively walk the graph of blocks, marking their "m_is_reachable"
 	 flag, starting at the initial block.  */
-      vec<block *> worklist;
-      worklist.create (m_blocks.length ());
+      auto_vec<block *> worklist (m_blocks.length ());
       worklist.safe_push (m_blocks[0]);
       while (worklist.length () > 0)
 	{