Check in codegen test expectations.

test/codegen/expect/language/private_clash_test.js

Index: test/codegen/expect/language/private_clash_test.js
diff --git a/test/codegen/expect/language/private_clash_test.js b/test/codegen/expect/language/private_clash_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..922ab653af2346ae78969ef2942395ab3cb9347b
--- /dev/null
+++ b/test/codegen/expect/language/private_clash_test.js
@@ -0,0 +1,54 @@
+dart_library.library('language/private_clash_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__private_clash_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 private_clash_test = Object.create(null);
+  const private_clash_lib = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  const _b$_c$ = Symbol('_b$_c$');
+  const _c$ = Symbol('_c$');
+  private_clash_lib.B = class B extends core.Object {
+    new() {
+      this[_c$] = 10;
+    }
+    getValueA() {
+      try {
+      } catch (e) {
+      }
+
+      return this[_c$];
+    }
+  };
+  dart.setSignature(private_clash_lib.B, {
+    methods: () => ({getValueA: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  private_clash_test.A = class A extends private_clash_lib.B {
+    new() {
+      this[_b$_c$] = 100;
+      super.new();
+    }
+    getValueB() {
+      try {
+      } catch (e) {
+      }
+
+      return this[_b$_c$];
+    }
+  };
+  dart.setSignature(private_clash_test.A, {
+    methods: () => ({getValueB: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  private_clash_test.main = function() {
+    let a = new private_clash_test.A();
+    expect$.Expect.equals(110, dart.dsend(a.getValueA(), '+', a.getValueB()));
+  };
+  dart.fn(private_clash_test.main, VoidTodynamic());
+  // Exports:
+  exports.private_clash_test = private_clash_test;
+  exports.private_clash_lib = private_clash_lib;
+});