1 files changed, 64 insertions, 0 deletions
diff --git a/test/CXX/special/class.inhctor/p1.cpp b/test/CXX/special/class.inhctor/p1.cpp
new file mode 100644
index 0000000000..8721dec1b4
--- /dev/null
+++ b/test/CXX/special/class.inhctor/p1.cpp
@@ -0,0 +1,64 @@
+// RUN: %clang_cc1 -std=c++11 -verify %s
+// Per a core issue (no number yet), an ellipsis is always dropped.
+struct A {
+  A(...); // expected-note {{here}}
+  A(int = 0, int = 0, int = 0, int = 0, ...); // expected-note 9{{here}}
+  A(int = 0, int = 0, ...); // expected-note {{here}}
+
+  template<typename T> A(T, int = 0, ...); // expected-note 5{{here}}
+
+  template<typename T, int N> A(const T (&)[N]); // expected-note 2{{here}}
+  template<typename T, int N> A(const T (&)[N], int = 0); // expected-note 2{{here}}
+};
+
+struct B : A { // expected-note 6{{candidate}}
+  using A::A; // expected-warning 4{{inheriting constructor does not inherit ellipsis}} expected-note 16{{candidate}} expected-note 3{{deleted}}
+};
+
+struct C {} c;
+
+B b0{};
+// expected-error@-1 {{call to implicitly-deleted default constructor}}
+// expected-note@-8 {{default constructor of 'B' is implicitly deleted because base class 'A' has multiple default constructors}}
+
+B b1{1};
+// FIXME: explain why the inheriting constructor was deleted
+// expected-error@-2 {{call to implicitly-deleted function of 'B'}}
+
+B b2{1,2};
+// expected-error@-1 {{call to implicitly-deleted function of 'B'}}
+
+B b3{1,2,3};
+// ok
+
+B b4{1,2,3,4};
+// ok
+
+B b5{1,2,3,4,5};
+// expected-error@-1 {{no matching constructor for initialization of 'B'}}
+
+B b6{c};
+// ok
+
+B b7{c,0};
+// ok
+
+B b8{c,0,1};
+// expected-error@-1 {{no matching constructor}}
+
+B b9{"foo"};
+// FIXME: explain why the inheriting constructor was deleted
+// expected-error@-2 {{call to deleted constructor of 'B'}}
+
+namespace PR15755 {
+  struct X {
+    template<typename...Ts> X(int, Ts...);
+  };
+  struct Y : X {
+    using X::X;
+  };
+  struct Z : Y {
+    using Y::Y;
+  };
+  Z z(0);
+}