[Bug ipa/71146] [7 Regression] error: __builtin_unreachable or __builtin_trap call with arguments

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71146

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
It would appear that we need to call maybe_remove_unused_call_args somewhere,
but so far haven't found the right spot...