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Implement LWG#2855 - made easy by previous refactoring 

llvm-svn: 300218
This commit is contained in:
Marshall Clow 2017-04-13 16:57:42 +00:00
parent 72f8257cba
commit 5948e39297
3 changed files with 14 additions and 4 deletions
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4
libcxx/include/exception
View File

@ -243,8 +243,8 @@ throw_with_nested (_Tp& __t)
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
#ifndef _LIBCPP_NO_EXCEPTIONS
typedef typename remove_reference<_Tp>::type _Up;
// static_assert( is_copy_constructible<_Up>::value, "");
typedef typename decay<_Tp>::type _Up;
static_assert( is_copy_constructible<_Up>::value, "type thrown must be CopyConstructible");
__throw_with_nested<_Tp, _Up,
is_class<_Up>::value &&
!is_base_of<nested_exception, _Up>::value &&

10
libcxx/test/std/language.support/support.exception/except.nested/throw_with_nested.pass.cpp
View File

@ -107,6 +107,16 @@ int main()
assert(i == 7);
}
}
{
try
{
std::throw_with_nested("String literal");
assert(false);
}
catch (const char * s)
{
}
}
#if TEST_STD_VER > 11
{
try

4
libcxx/www/cxx1z_status.html
View File

@ -463,7 +463,7 @@
<tr><td><a href="http://wg21.link/LWG2842">2842</a></td><td>in_place_t check for optional::optional(U&amp;&amp;) should decay U</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2850">2850</a></td><td>std::function move constructor does unnecessary work</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://wg21.link/LWG2853">2853</a></td><td>Possible inconsistency in specification of erase in [vector.modifiers]</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://wg21.link/LWG2855">2855</a></td><td>std::throw_with_nested("string_literal")</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://wg21.link/LWG2855">2855</a></td><td>std::throw_with_nested("string_literal")</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2857">2857</a></td><td>{variant,optional,any}::emplace should return the constructed value</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://wg21.link/LWG2861">2861</a></td><td>basic_string should require that charT match traits::char_type</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2866">2866</a></td><td>Incorrect derived classes constraints</td><td>Kona</td><td></td></tr>
@ -489,7 +489,7 @@
<!-- <tr><td></td><td></td><td></td><td></td></tr> -->
</table>
<p>Last Updated: 11-Apr-2017</p>
<p>Last Updated: 13-Apr-2017</p>
</div>
</body>
</html>