1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/containers/container.adaptors/queue/queue.cons/deduct.pass.cpp b/libcxx/test/std/containers/container.adaptors/queue/queue.cons/deduct.pass.cpp
index 480da46713c..26ec8a3a860 100644
--- a/libcxx/test/std/containers/container.adaptors/queue/queue.cons/deduct.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/queue/queue.cons/deduct.pass.cpp
@@ -9,8 +9,10 @@
 
 // <queue>
 // UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: clang-5
 // UNSUPPORTED: libcpp-no-deduction-guides
-
+// Clang 5 will generate bad implicit deduction guides
+//  Specifically, for the copy constructor.
 
 // template<class Container>
 //   queue(Container) -> queue<typename Container::value_type, Container>;