Check in codegen test expectations.

test/codegen/expect/language/inline_argument_test.js

Index: test/codegen/expect/language/inline_argument_test.js
diff --git a/test/codegen/expect/language/inline_argument_test.js b/test/codegen/expect/language/inline_argument_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..1150da810c85378189e182c6cdd5f6b728134bc0
--- /dev/null
+++ b/test/codegen/expect/language/inline_argument_test.js
@@ -0,0 +1,42 @@
+dart_library.library('language/inline_argument_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__inline_argument_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 inline_argument_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  inline_argument_test.A = class A extends core.Object {
+    new() {
+      this.field = 0;
+    }
+    foo(b) {
+      expect$.Expect.equals(0, b);
+      expect$.Expect.equals(0, b);
+    }
+    bar() {
+      this.foo((() => {
+        let x = this.field;
+        this.field = dart.notNull(x) + 1;
+        return x;
+      })());
+    }
+  };
+  dart.setSignature(inline_argument_test.A, {
+    methods: () => ({
+      foo: dart.definiteFunctionType(dart.dynamic, [dart.dynamic]),
+      bar: dart.definiteFunctionType(dart.dynamic, [])
+    })
+  });
+  inline_argument_test.main = function() {
+    let a = new inline_argument_test.A();
+    a.bar();
+    expect$.Expect.equals(1, a.field);
+  };
+  dart.fn(inline_argument_test.main, VoidTodynamic());
+  // Exports:
+  exports.inline_argument_test = inline_argument_test;
+});