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

[redi at gcc dot gnu.org via Gcc-bugs]

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

--- Comment #22 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I don't think there any point reducing this, I can see what the code does and
it's invalid. Adding a non-trivial copy constructor fixes it.