1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/rv-func.C b/gcc/testsuite/g++.dg/cpp0x/rv-func.C
new file mode 100644
index 00000000000..db142961128
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/rv-func.C
@@ -0,0 +1,22 @@
+// PR c++/48457, Core 1238
+// { dg-options -std=c++0x }
+
+template<class T>
+T&& create();
+
+template<class T, class Arg>
+void test() {
+  T t(create<Arg>());
+  (void) t;
+}
+
+void f (void (&)());
+void f (void (&&)());
+
+int main() {
+  test<void(&)(), void()>();
+  test<void(&&)(), void()>();
+  // This call should choose the lvalue reference overload.
+  // { dg-final { scan-assembler-not "_Z1fOFvvE" } }
+  f(create<void()>());
+}