message: Fix shim_arg_size test for 32-bit machines
diff: @@ -5,7 +5,13 @@ extern crate libc;
  // error-pattern: scalar size mismatch
  fn main() {
  extern "C" {
  + // Use the wrong type(ie. not the pointer width) for the `size`
  + // argument.
  + #[cfg(target_pointer_width="64")]
  fn malloc(size: u32) -> *mut std::ffi::c_void;
  +
  + #[cfg(target_pointer_width="32")]
  + fn malloc(size: u16) -> *mut std::ffi::c_void;
  }
  unsafe {
  