Update issue status for LWG 2768 and 2769

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@284321 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/any b/include/any
index 69fdbdd..8fe9e8f 100644
--- a/include/any
+++ b/include/any
@@ -579,7 +579,8 @@
 {
     using _RawValueType = __uncvref_t<_ValueType>;
     static_assert(is_constructible<_ValueType, _RawValueType const &>::value,
-                  "ValueType is required to be a reference or a CopyConstructible type");
+                  "ValueType is required to be a const lvalue reference "
+                  "or a CopyConstructible type");
     auto __tmp = _VSTD::any_cast<add_const_t<_RawValueType>>(&__v);
     if (__tmp == nullptr)
         __throw_bad_any_cast();
@@ -592,7 +593,8 @@
 {
     using _RawValueType = __uncvref_t<_ValueType>;
     static_assert(is_constructible<_ValueType, _RawValueType &>::value,
-                  "ValueType is required to be a reference or a CopyConstructible type");
+                  "ValueType is required to be an lvalue reference "
+                  "or a CopyConstructible type");
     auto __tmp = _VSTD::any_cast<_RawValueType>(&__v);
     if (__tmp == nullptr)
         __throw_bad_any_cast();
@@ -605,7 +607,8 @@
 {
     using _RawValueType = __uncvref_t<_ValueType>;
     static_assert(is_constructible<_ValueType, _RawValueType>::value,
-                  "ValueType is required to be an rvalue reference or a CopyConstructible type");
+                  "ValueType is required to be an rvalue reference "
+                  "or a CopyConstructible type");
     auto __tmp = _VSTD::any_cast<_RawValueType>(&__v);
     if (__tmp == nullptr)
         __throw_bad_any_cast();