[Bug c++/69600] Incorrect use of copy-assignment instead of move assignment from function

[sshannin at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69600

--- Comment #1 from sshannin at gmail dot com ---
Created attachment 37542
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37542&action=edit
Error output

Error output from compiler.

Note it also fails to indicate which line the problematic instantiation is on.