From c2acb441c539c4d3c307166def3c3c779cdccf43 Mon Sep 17 00:00:00 2001
From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 25 May 2011 20:29:47 +0000
Subject: [PATCH] 	PR c++/46696
 	* typeck.c (cp_build_modify_expr): Check DECL_DEFAULTED_FN.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174233 138bc75d-0d04-0410-961f-82ee72b054a4

index 578eb83..2022f0f 100644
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -6727,7 +6727,7 @@ cp_build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs,
 
       /* Allow array assignment in compiler-generated code.  */
       else if (!current_function_decl
-	       || !DECL_ARTIFICIAL (current_function_decl))
+	       || !DECL_DEFAULTED_FN (current_function_decl))
 	{
           /* This routine is used for both initialization and assignment.
              Make sure the diagnostic message differentiates the context.  */
new file mode 100644
index 0000000..5fcf5b0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/defaulted29.C
@@ -0,0 +1,20 @@
+// PR c++/46696
+// { dg-options -std=c++0x }
+
+struct A
+{
+  A& operator= (A const&);
+};
+
+struct B
+{
+  A ar[1];
+  B& operator= (B const&) = default;
+};
+
+int main()
+{
+  B x;
+  B y;
+  y = x;
+}
-- 
1.7.0.4