re PR c++/59886 (C++ array init optimization results in RANGE_EXPRs in assignments)

	PR c++/59886
	PR c++/59659
	* typeck2.c (process_init_constructor_array): Don't create
	RANGE_EXPR yet.

From-SVN: r207051

gcc/cp/ChangeLog

+2014-01-24  Jason Merrill  <jason@redhat.com>
+
+	PR c++/59886
+	PR c++/59659
+	* typeck2.c (process_init_constructor_array): Don't create
+	RANGE_EXPR yet.
+
 2014-01-24  Jakub Jelinek  <jakub@redhat.com>
 
 	* typeck2.c (split_nonconstant_init_1): Fix num_split_elts

gcc/cp/typeck2.c

@@ -1201,10 +1201,10 @@ process_init_constructor_array (tree type, tree init,
       flags |= picflag_from_initializer (ce->value);
     }
 
-  /* No more initializers. If the array is unbounded, or we've initialized
-     all the elements, we are done. Otherwise, we must add initializers
-     ourselves.  */
-  if (!unbounded && i < len)
+  /* No more initializers. If the array is unbounded, we are done. Otherwise,
+     we must add initializers ourselves.  */
+  if (!unbounded)
+    for (; i < len; ++i)
       {
 	tree next;
 
@@ -1232,9 +1232,7 @@ process_init_constructor_array (tree type, tree init,
 	if (next)
 	  {
 	    flags |= picflag_from_initializer (next);
-	  tree index = build2 (RANGE_EXPR, sizetype, size_int (i),
-			       size_int (len - 1));
-	  CONSTRUCTOR_APPEND_ELT (v, index, next);
+	    CONSTRUCTOR_APPEND_ELT (v, size_int (i), next);
 	  }
       }
 

gcc/testsuite/g++.dg/init/aggr10.C

+// PR c++/59886
+
+struct A { A (); ~A (); };
+struct B { A b[4]; };
+struct C { B c[5]; };
+const C e = {};