error[E0308]: start function has wrong type
  --> $DIR/issue-9575.rs:4:1
   |
LL | fn start(argc: isize, argv: *const *const u8, crate_map: *const u8) -> isize {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ incorrect number of function parameters
   |
   = note: expected fn pointer `fn(isize, *const *const u8) -> _`
              found fn pointer `fn(isize, *const *const u8, *const u8) -> _`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.