1 files changed, 56 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0038-PR-c-48319.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0038-PR-c-48319.patch
new file mode 100644
index 000000000..d76e44876
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0038-PR-c-48319.patch
@@ -0,0 +1,56 @@
+From 4af193055b0dcc204387ba06e11a053c5b55ad15 Mon Sep 17 00:00:00 2001
+From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Tue, 29 Mar 2011 18:47:47 +0000
+Subject: [PATCH 038/200] 	PR c++/48319
+ 	* pt.c (value_dependent_expression_p): Handle TEMPLATE_ID_EXPR.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@171688 138bc75d-0d04-0410-961f-82ee72b054a4
+
+index d649628..da9365f 100644
+--- a/gcc/cp/pt.c
++++ b/gcc/cp/pt.c
+@@ -18220,6 +18220,11 @@ value_dependent_expression_p (tree expression)
+ 	return false;
+       }
+ 
++    case TEMPLATE_ID_EXPR:
++      /* If a TEMPLATE_ID_EXPR involves a dependent name, it will be
++	 type-dependent.  */
++      return type_dependent_expression_p (expression);
++
+     default:
+       /* A constant expression is value-dependent if any subexpression is
+ 	 value-dependent.  */
+new file mode 100644
+index 0000000..1ceeeaf
+--- /dev/null
++++ b/gcc/testsuite/g++.dg/cpp0x/dependent1.C
+@@ -0,0 +1,25 @@
++// PR c++/48319
++// { dg-options -std=c++0x }
++// We were failing to recognize declval<_Args1> as dependent.
++
++template<typename Tp> Tp declval() noexcept;
++
++template<typename _Tp>
++class __is_constructible_helper
++{
++  typedef char __one;
++  typedef struct { char __arr[2]; } __two;
++
++  template<typename _Tp1, typename... _Args1>
++  static decltype(_Tp1(declval<_Args1>()...), __one()) __test(int);
++
++  template<typename, typename...>
++  static __two __test(...);
++
++public:
++  static const bool __value = sizeof(__test<_Tp>(0)) == 1;
++};
++
++int main() {
++  return __is_constructible_helper<int>::__value;
++}
+-- 
+1.7.0.4
+