[Bug c++/113064] assignement from temporary sometimes invokes copy-assign instead of move-assign operator

[m.cencora at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113064

--- Comment #5 from m.cencora at gmail dot com ---
(In reply to m.cencora from comment #4)
> This also might be a just another symptom of the same root cause:

This one is actually a regression (worked on gcc 8.3 and older)