[Bug tree-optimization/102988] ICE with -fharden-conditional-branches and C++ and pass by reference return value

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102988

--- Comment #5 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Created attachment 51837
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51837&action=edit
candidate patch under test