[Bug middle-end/115581] could remove copy of struct if original otherwise not used

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115581

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note it looks like clang does some front-end optimization for converting the
lambda into a function pointer because my example in comment #1 has the copy
still there for clang/LLVM.