Mark the template deduction tests as UNSUPPORTED on clang 5, because it deduces the wrong type.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@333376 91177308-0d34-0410-b5e6-96231b3b80d8

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>;

test/std/containers/container.adaptors/stack/stack.cons/deduct.pass.cpp

@@ -9,7 +9,10 @@
 
 // <stack>
 // 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>