re PR libgcc/63832 (crtstuff.c:400:19: warning: array subscript is above array…

re PR libgcc/63832 (crtstuff.c:400:19: warning: array subscript is above array bounds [-Warray-bounds])

	PR libgcc/63832
	* crtstuff.c (__do_global_dtors_aux) [HIDDEN_DTOR_LIST_END]: Use
	func_ptr *dtor_list temporary variable to avoid "array subscript
	is above array bounds" warnings.

From-SVN: r218759

libgcc/ChangeLog

+2014-12-15  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR libgcc/63832
+	* crtstuff.c (__do_global_dtors_aux) [HIDDEN_DTOR_LIST_END]: Use
+	func_ptr *dtor_list temporary variable to avoid "array subscript
+	is above array bounds" warnings.
+
 2014-12-09  Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
 
 	* Makefile.in (with_aix_soname): Define.
@@ -809,7 +816,7 @@
 
 	PR libgcc/60472
 	* crtstuff.c (frame_dummy): Use void **jcr_list temporary
-	variable to avoid array subscript is above array bounds warnings.
+	variable to avoid "array subscript is above array bounds" warnings.
 	Use __builtin_expect when checking *jcr_list for NULL.
 
 2014-03-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

libgcc/crtstuff.c

@@ -393,13 +393,11 @@ __do_global_dtors_aux (void)
     extern func_ptr __DTOR_END__[] __attribute__((visibility ("hidden")));
     static size_t dtor_idx;
     const size_t max_idx = __DTOR_END__ - __DTOR_LIST__ - 1;
-    func_ptr f;
+    func_ptr *dtor_list;
 
+    __asm ("" : "=g" (dtor_list) : "0" (__DTOR_LIST__));
     while (dtor_idx < max_idx)
-      {
-	f = __DTOR_LIST__[++dtor_idx];
-	f ();
-      }
+      dtor_list[++dtor_idx] ();
   }
 #else /* !defined (FINI_ARRAY_SECTION_ASM_OP) */
   {