That allows the code to run in C++17 mode - at the expense of
significantly worse compile time error messages, potentially worse
compilation speed and harder to read code.
Adjust the test type to actually model
detail::is_equality_comparable_with (which requires all four
relational operators even in C++17).
As a drive-by, fix the return value of remove() from auto to bool.
Done-with: Marc Mutz <marc.mutz@qt.io>
Fixes: QTBUG-128470
Change-Id: I68df26db579c60812a18e09b76dd5712e73ccaa2
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 7fe3cee36352c74cbaaff52e863bd0da1170affa)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
722c7edf03