Check in codegen test expectations.

test/codegen/expect/language/call_argument_inference_test.js

Index: test/codegen/expect/language/call_argument_inference_test.js
diff --git a/test/codegen/expect/language/call_argument_inference_test.js b/test/codegen/expect/language/call_argument_inference_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..0c51d7d584949b50f74ebd9417e4a236bcb55aa7
--- /dev/null
+++ b/test/codegen/expect/language/call_argument_inference_test.js
@@ -0,0 +1,35 @@
+dart_library.library('language/call_argument_inference_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__call_argument_inference_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const call_argument_inference_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  call_argument_inference_test.A = dart.callableClass(function A(...args) {
+    const self = this;
+    function call(...args) {
+      return self.call.apply(self, args);
+    }
+    call.__proto__ = this.__proto__;
+    call.new.apply(call, args);
+    return call;
+  }, class A extends core.Object {
+    call(a) {
+      return typeof a == 'number';
+    }
+  });
+  dart.setSignature(call_argument_inference_test.A, {
+    methods: () => ({call: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])})
+  });
+  call_argument_inference_test.main = function() {
+    expect$.Expect.isTrue(new call_argument_inference_test.A().call(42));
+    expect$.Expect.isFalse(dart.dcall(new call_argument_inference_test.A(), 'foo'));
+  };
+  dart.fn(call_argument_inference_test.main, VoidTodynamic());
+  // Exports:
+  exports.call_argument_inference_test = call_argument_inference_test;
+});