1 files changed, 22 insertions, 0 deletions
diff --git a/test/SemaCXX/cxx11-inheriting-ctors.cpp b/test/SemaCXX/cxx11-inheriting-ctors.cpp
index 04aa117b29dd..9c33ac05cc5f 100644
--- a/test/SemaCXX/cxx11-inheriting-ctors.cpp
+++ b/test/SemaCXX/cxx11-inheriting-ctors.cpp
@@ -34,3 +34,25 @@ namespace WrongIdent {
     using B::A;
   };
 }
+
+namespace DefaultCtorConflict {
+  struct A { A(int = 0); };
+  struct B : A {
+    using A::A;
+  } b; // ok, not ambiguous, inherited constructor suppresses implicit default constructor
+  struct C {
+    B b;
+  } c;
+}
+
+namespace InvalidConstruction {
+  struct A { A(int); };
+  struct B { B() = delete; };
+  struct C : A, B { using A::A; };
+  // Initialization here is performed as if by a defaulted default constructor,
+  // which would be ill-formed (in the immediate context) in this case because
+  // it would be defined as deleted.
+  template<typename T> void f(decltype(T(0))*);
+  template<typename T> int &f(...);
+  int &r = f<C>(0);
+}