From: Alexandre Oliva <aoliva@redhat.com>
Date: Fri, 6 Mar 2009 09:06:51 +0000 (+0000)
Subject: simplify.c (gfc_simplify_transfer): Zero-initialize the buffer.
X-Git-Tag: releases/gcc-4.4.0~344
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47ed69db7ee9361910c539b35256315ee04e1186;p=thirdparty%2Fgcc.git

simplify.c (gfc_simplify_transfer): Zero-initialize the buffer.

* simplify.c (gfc_simplify_transfer): Zero-initialize the
buffer.

From-SVN: r144663
---

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 6502f1a08029..e91e90b28602 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-06  Alexandre Oliva <aoliva@redhat.com>
+
+	* simplify.c (gfc_simplify_transfer): Zero-initialize the
+	buffer.
+
 2009-02-27  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/39309
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index 6893a88c4331..7be4671acfb3 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -4541,6 +4541,7 @@ gfc_simplify_transfer (gfc_expr *source, gfc_expr *mold, gfc_expr *size)
   /* Allocate the buffer to store the binary version of the source.  */
   buffer_size = MAX (source_size, result_size);
   buffer = (unsigned char*)alloca (buffer_size);
+  memset (buffer, 0, buffer_size);
 
   /* Now write source to the buffer.  */
   gfc_target_encode_expr (source, buffer, buffer_size);