diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 590435f55fab..cd0504424cb2 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,7 @@
+2010-09-03  Richard Guenther  <rguenther@suse.de>
+
+	* lto-elf.c (validate_file): Always error if validation fails.
+
 2010-08-20  Jan Hubicka  <jh@suse.cz>
 
 	* lto.c (lto_1_to_1_map): Be prepared for node to have no file data.
diff --git a/gcc/lto/lto-elf.c b/gcc/lto/lto-elf.c
index ad496217edea..0d4f1067be55 100644
--- a/gcc/lto/lto-elf.c
+++ b/gcc/lto/lto-elf.c
@@ -479,7 +479,6 @@ validate_file (lto_elf_file *elf_file)
       error ("could not read ELF identification information: %s",
 	      elf_errmsg (0));
       return false;
-	     
     }
 
   if (!cached_file_attrs.initialized)
@@ -522,7 +521,10 @@ validate_file (lto_elf_file *elf_file)
 
       if (memcmp (elf_ident_buf, cached_file_attrs.elf_ident,
 		  sizeof cached_file_attrs.elf_ident))
-	return false;
+	{
+	  error ("incompatible ELF identification");
+	  return false;
+	}
     }
 
   /* Check that the input file is a relocatable object file with the correct