1 files changed, 72 insertions, 0 deletions
diff --git a/test/CXX/special/class.inhctor/p4.cpp b/test/CXX/special/class.inhctor/p4.cpp
new file mode 100644
index 0000000000..512705e4dd
--- /dev/null
+++ b/test/CXX/special/class.inhctor/p4.cpp
@@ -0,0 +1,72 @@
+// RUN: %clang_cc1 -std=c++11 -verify %s
+
+template<int> struct X {};
+
+// A[n inheriting] constructor [...] has the same access as the corresponding
+// constructor [in the base class].
+struct A {
+public:
+  A(X<0>) {}
+protected:
+  A(X<1>) {}
+private:
+  A(X<2>) {} // expected-note {{declared private here}}
+  friend class FA;
+};
+
+struct B : A {
+  using A::A; // expected-error {{private constructor}} expected-note {{implicitly declared protected here}}
+  friend class FB;
+};
+
+B b0{X<0>{}};
+B b1{X<1>{}}; // expected-error {{calling a protected constructor}}
+B b2{X<2>{}}; // expected-note {{first required here}}
+
+struct C : B {
+  C(X<0> x) : B(x) {}
+  C(X<1> x) : B(x) {}
+};
+
+struct FB {
+  B b0{X<0>{}};
+  B b1{X<1>{}};
+};
+
+struct FA : A {
+  using A::A; // expected-note 2{{here}}
+};
+FA fa0{X<0>{}};
+FA fa1{X<1>{}}; // expected-error {{calling a protected constructor}}
+FA fa2{X<2>{}}; // expected-error {{calling a private constructor}}
+
+
+// It is deleted if the corresponding constructor [...] is deleted.
+struct G {
+  G(int) = delete;
+  template<typename T> G(T*) = delete;
+};
+struct H : G {
+  using G::G; // expected-note 2{{marked deleted here}}
+};
+H h1(5); // expected-error {{call to implicitly-deleted function of 'H'}}
+H h2("foo"); // expected-error {{call to deleted constructor of 'H'}}
+
+
+// Core defect: It is also deleted if multiple base constructors generate the
+// same signature.
+namespace DRnnnn {
+  struct A {
+    constexpr A(int, float = 0) {}
+    explicit A(int, int = 0) {}
+
+    A(int, int, int = 0) = delete;
+  };
+  struct B : A {
+    // FIXME: produce notes indicating why it was deleted
+    using A::A; // expected-note {{here}}
+  };
+
+  constexpr B b0(0, 0.0f); // ok, constexpr
+  B b1(0, 1); // expected-error {{call to implicitly-deleted}}
+}