message: Add missing clif ir comment
diff: @@ -94,6 +94,9 @@ pub(crate) fn lib_call(
  let sig = Signature { params, returns, call_conv: self.target_config.default_call_conv };
  let func_id = self.module.declare_function(name, Linkage::Import, &sig).unwrap();
  let func_ref = self.module.declare_func_in_func(func_id, &mut self.bcx.func);
  + if self.clif_comments.enabled() {
  + self.add_comment(func_ref, format!("{:?}", name));
  + }
  let call_inst = self.bcx.ins().call(func_ref, args);
  if self.clif_comments.enabled() {
  self.add_comment(call_inst, format!("easy_call {}", name));
  