Check in codegen test expectations.

test/codegen/expect/language/external_test_10_multi.js

Index: test/codegen/expect/language/external_test_10_multi.js
diff --git a/test/codegen/expect/language/external_test_10_multi.js b/test/codegen/expect/language/external_test_10_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..e64d207b4c2e6e5e540dc295b90f0f9a135a4a0e
--- /dev/null
+++ b/test/codegen/expect/language/external_test_10_multi.js
@@ -0,0 +1,40 @@
+dart_library.library('language/external_test_10_multi', null, /* Imports */[
+  'dart_sdk'
+], function load__external_test_10_multi(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const external_test_10_multi = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  external_test_10_multi.Bar = class Bar extends core.Object {
+    new(val) {
+    }
+  };
+  dart.setSignature(external_test_10_multi.Bar, {
+    constructors: () => ({new: dart.definiteFunctionType(external_test_10_multi.Bar, [dart.dynamic])})
+  });
+  external_test_10_multi.Foo = class Foo extends core.Object {
+    f() {}
+    new() {
+      this.x = 0;
+    }
+    f10() {
+      return this.f10();
+    }
+  };
+  dart.setSignature(external_test_10_multi.Foo, {
+    constructors: () => ({new: dart.definiteFunctionType(external_test_10_multi.Foo, [])}),
+    methods: () => ({
+      f: dart.definiteFunctionType(dart.dynamic, []),
+      f10: dart.definiteFunctionType(dart.dynamic, [])
+    })
+  });
+  external_test_10_multi.main = function() {
+    let foo = new external_test_10_multi.Foo();
+    new external_test_10_multi.Foo().f10();
+  };
+  dart.fn(external_test_10_multi.main, VoidTodynamic());
+  // Exports:
+  exports.external_test_10_multi = external_test_10_multi;
+});