tree-vect-loop.c (vect_transform_loop): Initialize check_profitability to false.

	* tree-vect-loop.c (vect_transform_loop): Initialize
	check_profitability to false.

	* tree-predcom.c (try_combine_chains): Free the worklist vector
	at the end.

From-SVN: r190592

gcc/ChangeLog

+2012-08-22  Jakub Jelinek  <jakub@redhat.com>
+
+	* tree-vect-loop.c (vect_transform_loop): Initialize
+	check_profitability to false.
+
+	* tree-predcom.c (try_combine_chains): Free the worklist vector
+	at the end.
+
 2012-08-22  Marc Glisse  <marc.glisse@inria.fr>
 
 	PR tree-optimization/54317

gcc/tree-predcom.c

@@ -2331,6 +2331,8 @@ try_combine_chains (VEC (chain_p, heap) **chains)
 	    }
 	}
     }
+
+  VEC_free (chain_p, heap, worklist);
 }
 
 /* Prepare initializers for CHAIN in LOOP.  Returns false if this is

gcc/tree-vect-loop.c

@@ -5277,7 +5277,7 @@ vect_transform_loop (loop_vec_info loop_vinfo)
   gimple_seq pattern_def_seq = NULL;
   gimple_stmt_iterator pattern_def_si = gsi_none ();
   bool transform_pattern_stmt = false;
-  bool check_profitability;
+  bool check_profitability = false;
   int th;
 
   if (vect_print_dump_info (REPORT_DETAILS))