From 090fc3f4db2b05936d6f05b6ae4228fb86374cd3 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@linux.intel.com>
Date: Fri, 23 Jul 2010 05:23:50 +0000
Subject: [PATCH] lto-opts.c (lto_read_file_options): Check for missing
 section.

2010-07-10   Andi Kleen <ak@linux.intel.com>

        * lto-opts.c (lto_read_file_options): Check for missing section.

From-SVN: r162439
---
 gcc/ChangeLog  | 4 ++++
 gcc/lto-opts.c | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4c71bb5b0ba..6b7514debf7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-07-10   Andi Kleen <ak@linux.intel.com>
+
+	* lto-opts.c (lto_read_file_options): Check for missing section.
+
 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
 
 	* ira.c (check_allocation): Correctly handle the case where an allocno
diff --git a/gcc/lto-opts.c b/gcc/lto-opts.c
index 840571431f1..21a5a20a0a6 100644
--- a/gcc/lto-opts.c
+++ b/gcc/lto-opts.c
@@ -356,6 +356,8 @@ lto_read_file_options (struct lto_file_decl_data *file_data)
   struct lto_input_block ib;
 
   data = lto_get_section_data (file_data, LTO_section_opts, NULL, &len);
+  if (!data)
+	  return;
   header = (const struct lto_simple_header *) data;
   opts_offset = sizeof (*header);