error: function can not have more than 65535 arguments
  --> $DIR/issue-88577-check-fn-with-more-than-65535-arguments.rs:6:22
   |
LL |         fn _f($($t: ()),*) {}
   |                      ^
...
LL | many_args!{[_]########## ######}
   | -------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `many_args` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error