[Bug tree-optimization/112307] Segmentation fault with -O1 -fcode-hoisting

[raffael at casagrande dot ch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112307

--- Comment #10 from Raffael Casagrande <raffael at casagrande dot ch> ---
(In reply to Jonathan Wakely from comment #9)

Thanks very much! I missed the part with the trivial copy constructor and
learned again an important lesson. That explains why it works when I defined
the copy constructors manually.