Merged revisions r232323 through r251067 to the branchtr29124

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/tr29124@251068 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 19 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/cpp0x/sfinae59.C b/gcc/testsuite/g++.dg/cpp0x/sfinae59.C
new file mode 100644
index 00000000000..d1c730b6d23
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/sfinae59.C
@@ -0,0 +1,19 @@
+// PR c++/81359
+// { dg-do compile { target c++11 } }
+
+template<typename _Tp, typename = decltype(_Tp())>
+static int test(int);
+
+template<typename>
+static void test(...);
+
+template <class T, class = decltype(test<T>(0))>
+struct A { };
+
+struct B
+{
+  struct C {
+    int i = 0;
+  };
+  A<C> a;
+};