Boost C++ Libraries: Ticket #11811: Is_nothrow_move_constructible fails on mngw https://svn.boost.org/trac10/ticket/11811 <p> see the test matrix results: </p> <p> <a href="http://www.boost.org/development/tests/develop/developer/output/igaztanaga-gcc-4-6c++11-boost-bin-v2-libs-type_traits-test-is_nothrow_move_constructible_test-test-gcc-mngw-4-6c+-dbg-dbg-symbl-off.html">http://www.boost.org/development/tests/develop/developer/output/igaztanaga-gcc-4-6c++11-boost-bin-v2-libs-type_traits-test-is_nothrow_move_constructible_test-test-gcc-mngw-4-6c+-dbg-dbg-symbl-off.html</a> </p> <p> Rather than giving a true-false answer, it fails to compile. </p> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/11811 Trac 1.4.3 anonymous Sat, 21 Nov 2015 12:10:11 GMT <link>https://svn.boost.org/trac10/ticket/11811#comment:1 </link> <guid isPermaLink="false">https://svn.boost.org/trac10/ticket/11811#comment:1</guid> <description> <p> My suspicion is that GCC-4.6 is too old to give a decent answer in these cases, but I'll investigate. </p> </description> <category>Ticket</category> </item> <item> <dc:creator>akrzemi1</dc:creator> <pubDate>Sat, 21 Nov 2015 14:09:57 GMT</pubDate> <title/> <link>https://svn.boost.org/trac10/ticket/11811#comment:2 </link> <guid isPermaLink="false">https://svn.boost.org/trac10/ticket/11811#comment:2</guid> <description> <p> I mean, it is fine, if it just returns false in GCC 4.6. </p> </description> <category>Ticket</category> </item> <item> <dc:creator>John Maddock</dc:creator> <pubDate>Sat, 12 Dec 2015 13:25:06 GMT</pubDate> <title>status changed; resolution set https://svn.boost.org/trac10/ticket/11811#comment:3 https://svn.boost.org/trac10/ticket/11811#comment:3 <ul> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">fixed</span> </li> </ul> <p> This should be fixed in <a class="ext-link" href="https://github.com/boostorg/type_traits/commit/bc8a92c7b6ff76fa42d23f49f60d743f95d15798"><span class="icon">​</span>https://github.com/boostorg/type_traits/commit/bc8a92c7b6ff76fa42d23f49f60d743f95d15798</a>. </p> <p> The change causes some runtime failures, but in the "safe" direction - not spotting things which are noexcept. </p> Ticket