Mark LWG2736 as complete. No code changes, but we have more tests now

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292958 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/utilities/optional/optional.nullopt/nullopt_t.fail.cpp

@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// <optional>
+
+// struct nullopt_t{see below};
+// constexpr nullopt_t nullopt(unspecified);
+
+// [optional.nullopt]/2:
+//   Type nullopt_t shall not have a default constructor or an initializer-list constructor.
+//   It shall not be an aggregate and shall be a literal type. 
+//   Constant nullopt shall be initialized with an argument of literal type.
+
+#include <optional>
+#include "test_macros.h"
+
+int main()
+{
+	std::nullopt_t n = {};
+}

test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp

@@ -13,6 +13,11 @@
 // struct nullopt_t{see below};
 // constexpr nullopt_t nullopt(unspecified);
 
+// [optional.nullopt]/2:
+//   Type nullopt_t shall not have a default constructor or an initializer-list constructor.
+//   It shall not be an aggregate and shall be a literal type. 
+//   Constant nullopt shall be initialized with an argument of literal type.
+
 #include <optional>
 #include <type_traits>
 

www/cxx1z_status.html

@@ -386,7 +386,7 @@
 	<tr><td><a href="http://wg21.link/LWG2732">2732</a></td><td>Questionable specification of path::operator/= and path::append</td><td>Issaquah</td><td>Complete</td></tr>
 	<tr><td><a href="http://wg21.link/LWG2733">2733</a></td><td>[fund.ts.v2] gcd / lcm and bool</td><td>Issaquah</td><td></td></tr>
 	<tr><td><a href="http://wg21.link/LWG2735">2735</a></td><td>std::abs(short), std::abs(signed char) and others should return int instead of double in order to be compatible with C++98 and C</td><td>Issaquah</td><td></td></tr>
-	<tr><td><a href="http://wg21.link/LWG2736">2736</a></td><td>nullopt_t insufficiently constrained</td><td>Issaquah</td><td></td></tr>
+	<tr><td><a href="http://wg21.link/LWG2736">2736</a></td><td>nullopt_t insufficiently constrained</td><td>Issaquah</td><td>Complete</td></tr>
 	<tr><td><a href="http://wg21.link/LWG2738">2738</a></td><td>is_constructible with void types</td><td>Issaquah</td><td>Complete</td></tr>
 	<tr><td><a href="http://wg21.link/LWG2739">2739</a></td><td>Issue with time_point non-member subtraction with an unsigned duration</td><td>Issaquah</td><td>Complete</td></tr>
 	<tr><td><a href="http://wg21.link/LWG2740">2740</a></td><td>constexpr optional<T>::operator-></td><td>Issaquah</td><td>Complete</td></tr>