<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div><br></div><div>This might not be the right way to communicate this, but I think there's been a regression in the top of tree. In the following the static_assert for Foo work fine but I get a compile error for the static_assert of the class Boo.<br><div><span style="background-color: transparent;"><br></span></div><div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">class Foo</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">{</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">};</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">static_assert(std::is_move_constructible<Foo>::value, "Type is not move constructible.");</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px; "><span style="background-color: transparent;"><br></span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">class Boo</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">{</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;"> Boo(Boo&&) = default;</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">};</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="background-color: transparent;">static_assert(std::is_move_constructible<Boo>::value, "Type is not move constructible."); // Compile </span><span style="text-indent: -12px; ">error: static_assert failed "Type is not move constructible."</span></div></div></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="text-indent: -12px; "><br></span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo; "><span style="text-indent: -12px; ">Emmanuel</span></div></body></html>