From: Richard Guenther <rguenther@suse.de>
Date: Mon, 18 Apr 2011 11:18:01 +0000 (+0000)
Subject: re PR c/48650 (valgrind: Invalid write of size 8 in build_string (tree.c:1524))
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d25a79eae6570f26000cadd9b25459d7d234dd33;p=gcc.git

re PR c/48650 (valgrind: Invalid write of size 8 in build_string (tree.c:1524))

2011-04-18  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48650
	* tree.c (build_string): STRING_CST is now derived from tree_typed.

From-SVN: r172642
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b6f114715ae..e2c4a019d07 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-18  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/48650
+	* tree.c (build_string): STRING_CST is now derived from tree_typed.
+
 2011-04-18  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR lto/48492
diff --git a/gcc/tree.c b/gcc/tree.c
index c233a5c9aeb..e36d4d8d8c4 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1521,7 +1521,7 @@ build_string (int len, const char *str)
 
   s = ggc_alloc_tree_node (length);
 
-  memset (s, 0, sizeof (struct tree_common));
+  memset (s, 0, sizeof (struct tree_typed));
   TREE_SET_CODE (s, STRING_CST);
   TREE_CONSTANT (s) = 1;
   TREE_STRING_LENGTH (s) = len;