From 85632cd24fa3d7f890fe9537936088c42792970c Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 3 Jun 2011 20:21:38 +0000
Subject: [PATCH] 	PR c++/49276
 	* mangle.c (write_nested_name): Use CP_DECL_CONTEXT instead of
 	DECL_CONTEXT.

	* g++.dg/cpp0x/lambda/lambda-mangle2.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174620 138bc75d-0d04-0410-961f-82ee72b054a4

index f063d47..be4ef0a 100644
--- a/gcc/cp/mangle.c
+++ b/gcc/cp/mangle.c
@@ -1,6 +1,6 @@
 /* Name mangling for the 3.0 C++ ABI.
-   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010,
+   2011  Free Software Foundation, Inc.
    Written by Alex Samuel <samuel@codesourcery.com>
 
    This file is part of GCC.
@@ -943,7 +943,7 @@ write_nested_name (const tree decl)
   else
     {
       /* No, just use <prefix>  */
-      write_prefix (DECL_CONTEXT (decl));
+      write_prefix (CP_DECL_CONTEXT (decl));
       write_unqualified_name (decl);
     }
   write_char ('E');
new file mode 100644
index 0000000..4b7d15a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mangle2.C
@@ -0,0 +1,21 @@
+// PR c++/49276
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+template <int N>
+struct F
+{
+  template <typename U> F (U);
+};
+
+struct S
+{
+  void foo (F <0> x = [] {}) {}
+};
+
+int
+main ()
+{
+  S s;
+  s.foo ();
+}
-- 
1.7.0.4