re PR c++/57874 (No SFINAE on ADL lookup failure)

2013-07-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57874
	* g++.dg/cpp0x/sfinae48.C: New.

From-SVN: r200880

gcc/testsuite/ChangeLog

+2013-07-10  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/57874
+	* g++.dg/cpp0x/sfinae48.C: New.
+
 2013-07-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR preprocessor/57824

gcc/testsuite/g++.dg/cpp0x/sfinae48.C

+// PR c++/57874
+// { dg-do compile { target c++11 } }
+
+namespace NX
+{
+  struct X {};
+  void foo(X) {}
+}
+
+namespace NY
+{
+  struct Y {};
+}
+
+template<class T>
+auto ADLfoo(T&&) -> decltype((foo(T{}), short()));
+
+char ADLfoo(...);
+
+static_assert(sizeof(ADLfoo(NY::Y{})) == 1, "");
+static_assert(sizeof(ADLfoo(NX::X{})) == 2, "");