From: Steven Bosscher <steven@gcc.gnu.org>
Date: Sat, 18 Aug 2012 10:35:36 +0000 (+0000)
Subject: re PR middle-end/54313 (GCC fails to bootstrap with MALLOC_PERTURB – Segfault in... 
X-Git-Tag: misc/gccgo-go1_1_2~1310
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e0de76d8ada17851ca194da894f15f6f61cfd662;p=thirdparty%2Fgcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 96003073cd7e..9dd5e9c54f3a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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.
diff --git a/gcc/dse.c b/gcc/dse.c
index 3375808b61d3..347d24375f68 100644
--- a/gcc/dse.c
+++ b/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);