1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/ctor3.C b/gcc/testsuite/g++.dg/template/ctor3.C
new file mode 100644
index 000000000..d3eb2c3f8
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/ctor3.C
@@ -0,0 +1,19 @@
+struct A {};
+struct B;
+
+template <class TP> struct X: virtual A {
+  template <class TP2> X(TP2* ptr) {}
+  template <class TP2> X(const X<TP2>) {}
+};
+
+struct Y : X<B> { 
+  Y(A* a) : X<B>(a) {}
+};
+
+void func1(X<B>);
+
+void func2() {
+  A a;
+  Y y(&a);
+  func1(X<A>(&a));
+}