asan.c (asan_finish_file): Align asan globals array by shadow granularity.

2017-10-30  Maxim Ostapenko  <m.ostapenko@samsung.com>

	* asan.c (asan_finish_file): Align asan globals array by shadow
	granularity.

From-SVN: r254214

gcc/ChangeLog

+2017-10-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
+
+	* asan.c (asan_finish_file): Align asan globals array by shadow
+	granularity.
+
 2017-10-30  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/22141

gcc/asan.c

@@ -2942,6 +2942,9 @@ asan_finish_file (void)
       TREE_CONSTANT (ctor) = 1;
       TREE_STATIC (ctor) = 1;
       DECL_INITIAL (var) = ctor;
+      SET_DECL_ALIGN (var, MAX (DECL_ALIGN (var),
+				ASAN_SHADOW_GRANULARITY * BITS_PER_UNIT));
+
       varpool_node::finalize_decl (var);
 
       tree fn = builtin_decl_implicit (BUILT_IN_ASAN_REGISTER_GLOBALS);