1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/init/ref4.C b/gcc/testsuite/g++.dg/init/ref4.C
new file mode 100644
index 000000000..6b65d9925
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/ref4.C
@@ -0,0 +1,18 @@
+// { dg-do run }
+
+int c;
+
+struct Base {
+  Base() {}
+  Base(const Base &) { ++c; }
+  Base & operator = (const Base &);
+};
+
+struct Derived : public Base {};
+
+const Base &b = Derived();
+
+int main()
+{
+  return c;  // No copies should be required.
+}