1 files changed, 30 insertions, 0 deletions
diff --git a/test/SemaCXX/enum-scoped.cpp b/test/SemaCXX/enum-scoped.cpp
index d01000d22bb4..b4aad18b17c9 100644
--- a/test/SemaCXX/enum-scoped.cpp
+++ b/test/SemaCXX/enum-scoped.cpp
@@ -266,3 +266,33 @@ namespace PR15633 {
   struct B { enum class E; };
   template<typename T> enum class B::E { e }; // expected-error {{enumeration cannot be a template}}
 }
+
+namespace PR16900 {
+  enum class A;
+  A f(A a) { return -a; } // expected-error {{invalid argument type 'PR16900::A' to unary expression}}
+}
+
+namespace rdar15124329 {
+  enum class B : bool { F, T };
+
+  const rdar15124329::B T1 = B::T;
+  typedef B C;  const C T2 = B::T;
+
+  static_assert(T1 != B::F, "");
+  static_assert(T2 == B::T, "");
+}
+
+namespace PR18044 {
+  enum class E { a };
+
+  int E::e = 0; // expected-error {{does not refer into a class}}
+  void E::f() {} // expected-error {{does not refer into a class}}
+  struct E::S {}; // expected-error {{no struct named 'S'}}
+  struct T : E::S {}; // expected-error {{expected class name}}
+  enum E::E {}; // expected-error {{no enum named 'E'}}
+  int E::*p; // expected-error {{does not point into a class}}
+  using E::f; // expected-error {{no member named 'f'}}
+
+  using E::a; // ok!
+  E b = a;
+}