re PR middle-end/54313 (GCC fails to bootstrap with MALLOC_PERTURB – Segfault in…

re PR middle-end/54313 (GCC fails to bootstrap with MALLOC_PERTURB – Segfault in bitmap_obstack_free)

	PR middle-end/54313
	* dse.c (dse_step7): Don't free kill_on_calls bitmap, it is
	freed when its obstack is release.

From-SVN: r190502

gcc/ChangeLog

+2012-08-18  Steven Bosscher  <steven@gcc.gnu.org>
+
+	PR middle-end/54313
+	* dse.c (dse_step7): Don't free kill_on_calls bitmap, it is
+	freed when its obstack is release.
+
 2012-08-18  Andrew Pinski  <pinskia@gmail.com>
 
 	* alloc-pool.c (pool_alloc): Add valgrind markers.

gcc/dse.c

@@ -3823,7 +3823,6 @@ dse_step7 (void)
   VEC_free (group_info_t, heap, rtx_group_vec);
   BITMAP_FREE (all_blocks);
   BITMAP_FREE (scratch);
-  BITMAP_FREE (kill_on_calls);
 
   free_alloc_pool (rtx_store_info_pool);
   free_alloc_pool (read_info_pool);