1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/ptrmem21.C b/gcc/testsuite/g++.dg/template/ptrmem21.C
new file mode 100644
index 000000000..c30fa38fc
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/ptrmem21.C
@@ -0,0 +1,37 @@
+// PR c++/43868
+// { dg-options "-g" }
+
+struct Foo
+{
+    virtual void do_something() = 0;
+};
+
+template <typename T>
+struct Foo_impl;
+
+template <typename R, typename O>
+struct Foo_impl<R (O::*)() const> : public Foo
+{
+    struct Helper
+    {
+        typedef int Some_type;
+        operator Some_type () const { return 0; }
+        Helper( R (O::*)() const) {}
+    };
+
+    void do_something() {  Helper( 0); };
+};
+
+void register_foo_internal( Foo*) {};
+
+template <typename TT>
+void register_foo( TT) { register_foo_internal( new Foo_impl<TT>()); }
+
+struct Bar
+{
+};
+
+void setup()
+{
+    register_foo( (int (Bar::*) () const) 0);
+}