PR jit/63854: Fix memory leak within bb-reorder.c

gcc/ChangeLog:
	PR jit/63854
	* bb-reorder.c
	(find_rarely_executed_basic_blocks_and_crossing_edges): Convert
	local bbs_in_hot_partition from vec<> to auto_vec<>.

From-SVN: r217794

gcc/ChangeLog

 2014-11-19  David Malcolm  <dmalcolm@redhat.com>
 
 	PR jit/63854
+	* bb-reorder.c
+	(find_rarely_executed_basic_blocks_and_crossing_edges): Convert
+	local bbs_in_hot_partition from vec<> to auto_vec<>.
+
+2014-11-19  David Malcolm  <dmalcolm@redhat.com>
+
+	PR jit/63854
 	* config/alpha/alpha.c (alpha_option_override): Remove static from
 	"handle_trap_shadows_info" and "align_insns_info".
 	* config/i386/i386.c (ix86_option_override): Likewise for

gcc/bb-reorder.c

@@ -1581,7 +1581,7 @@ find_rarely_executed_basic_blocks_and_crossing_edges (void)
   edge e;
   edge_iterator ei;
   unsigned int cold_bb_count = 0;
-  vec<basic_block> bbs_in_hot_partition = vNULL;
+  auto_vec<basic_block> bbs_in_hot_partition;
 
   /* Mark which partition (hot/cold) each basic block belongs in.  */
   FOR_EACH_BB_FN (bb, cfun)