1 files changed, 12 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/enum-bitfield.cpp b/clang/test/SemaCXX/enum-bitfield.cpp
index 63445ca0583..ec849b79a74 100644
--- a/clang/test/SemaCXX/enum-bitfield.cpp
+++ b/clang/test/SemaCXX/enum-bitfield.cpp
@@ -16,3 +16,15 @@ struct Y {
   enum E : int(2);
   enum E : Z(); // expected-error{{integral constant expression must have integral or unscoped enumeration type, not 'Z'}}
 };
+
+namespace pr18587 {
+struct A {
+  enum class B {
+    C
+  };
+};
+const int C = 4;
+struct D {
+  A::B : C;
+};
+}