Check in codegen test expectations.

test/codegen/expect/corelib/error_stack_trace2_test.js

Index: test/codegen/expect/corelib/error_stack_trace2_test.js
diff --git a/test/codegen/expect/corelib/error_stack_trace2_test.js b/test/codegen/expect/corelib/error_stack_trace2_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..1492bd440409f5d57100c4052fc0ca012485ccf9
--- /dev/null
+++ b/test/codegen/expect/corelib/error_stack_trace2_test.js
@@ -0,0 +1,48 @@
+dart_library.library('corelib/error_stack_trace2_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__error_stack_trace2_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 error_stack_trace2_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  error_stack_trace2_test.A = class A extends core.Object {
+    get foo() {
+      return error_stack_trace2_test.cyclicStatic;
+    }
+  };
+  dart.defineLazy(error_stack_trace2_test, {
+    get a() {
+      return new error_stack_trace2_test.A();
+    },
+    set a(_) {}
+  });
+  dart.defineLazy(error_stack_trace2_test, {
+    get cyclicStatic() {
+      return dart.fn(() => dart.dsend(error_stack_trace2_test.a.foo, '+', 1), VoidTodynamic())();
+    },
+    set cyclicStatic(_) {}
+  });
+  error_stack_trace2_test.cyclicInitialization = function() {
+    return error_stack_trace2_test.cyclicStatic;
+  };
+  dart.fn(error_stack_trace2_test.cyclicInitialization, VoidTodynamic());
+  error_stack_trace2_test.main = function() {
+    let hasThrown = false;
+    try {
+      dart.dsend(error_stack_trace2_test.cyclicStatic, '+', 1);
+    } catch (e2) {
+      let e = e2;
+      hasThrown = true;
+      expect$.Expect.isTrue(core.StackTrace.is(dart.dload(e, 'stackTrace')), dart.str`${e} doesn't have a non-null stack trace`);
+    }
+
+    expect$.Expect.isTrue(hasThrown);
+  };
+  dart.fn(error_stack_trace2_test.main, VoidTodynamic());
+  // Exports:
+  exports.error_stack_trace2_test = error_stack_trace2_test;
+});