[Bug c++/65498] [5 Regression] ICE in cxx_eval_call_expression when using __func__ inside dependent context

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65498

--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
The problem appears to be that we're trying to use the body of the operator()
function after it's been released (release_function_body).  Investigating
more...