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

+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

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);