message: Removed unnecessary check of arguments
  This case is covered by the type checker.
diff: @@ -1124,13 +1124,6 @@ impl Runtime {
  // Copy the module to avoid problems with borrow checker.
  let mod_copy = self.module.clone();
  let ref f = mod_copy.functions[new_index];
  - if call.arg_len() != f.args.len() {
  - return Err(self.module.error(call.source_range,
  - &format!("{}\nExpected {} arguments but found {}",
  - self.stack_trace(),
  - f.args.len(),
  - call.arg_len()), self));
  - }
  // Arguments must be computed.
  if f.returns() {
  // Add return value before arguments on the stack.
  