https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69106
Bug ID: 69106
Summary: std::promise should tolerate overloaded &
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: rs2740 at gmail dot com
Target Milestone: ---
Test case:
#include <future>
struct foo {
void operator&() const = delete;
};
int main() {
std::promise<foo> p;
p.set_value(foo());
}
results in:
In file included from prog.cc:1:0:
/usr/local/gcc-head/include/c++/6.0.0/future: In instantiation of 'static
std::__future_base::_State_baseV2::_Setter<_Res, _Arg&&>
std::__future_base::_State_baseV2::__setter(std::promise<_Res>*, _Arg&&) [with
_Res = foo; _Arg = foo]':
/usr/local/gcc-head/include/c++/6.0.0/future:1081:50: required from 'void
std::promise<_Res>::set_value(_Res&&) [with _Res = foo]'
prog.cc:9:22: required from here
/usr/local/gcc-head/include/c++/6.0.0/future:510:49: error: use of deleted
function 'void foo::operator&() const'
return _Setter<_Res, _Arg&&>{ __prom, &__arg };
^~~~~~
prog.cc:4:10: note: declared here
void operator&() const = delete;
^~~~~~~~
