Check in codegen test expectations.

test/codegen/expect/language/operator_index_evaluation_order_test.js

Index: test/codegen/expect/language/operator_index_evaluation_order_test.js
diff --git a/test/codegen/expect/language/operator_index_evaluation_order_test.js b/test/codegen/expect/language/operator_index_evaluation_order_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..fc376cbe9ef88decfafcabe2ed504b50bdc8b472
--- /dev/null
+++ b/test/codegen/expect/language/operator_index_evaluation_order_test.js
@@ -0,0 +1,70 @@
+dart_library.library('language/operator_index_evaluation_order_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__operator_index_evaluation_order_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const operator_index_evaluation_order_test = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let dynamicToB = () => (dynamicToB = dart.constFn(dart.definiteFunctionType(operator_index_evaluation_order_test.B, [dart.dynamic])))();
+  let dynamicToint = () => (dynamicToint = dart.constFn(dart.definiteFunctionType(core.int, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  operator_index_evaluation_order_test.B = class B extends core.Object {
+    new(trace) {
+      this.trace = trace;
+      this.value = 100;
+    }
+    get(index) {
+      this.trace[dartx.add](-3);
+      this.trace[dartx.add](index);
+      this.trace[dartx.add](this.value);
+      this.value = dart.notNull(this.value) + 1;
+      return this;
+    }
+    set(index, value) {
+      this.trace[dartx.add](-5);
+      this.trace[dartx.add](index);
+      this.trace[dartx.add](dart.dload(value, 'value'));
+      this.value = dart.notNull(this.value) + 1;
+      return value;
+    }
+    ['+'](value) {
+      this.trace[dartx.add](-4);
+      this.trace[dartx.add](this.value);
+      this.trace[dartx.add](value);
+      this.value = dart.notNull(this.value) + 1;
+      return this;
+    }
+  };
+  dart.setSignature(operator_index_evaluation_order_test.B, {
+    constructors: () => ({new: dart.definiteFunctionType(operator_index_evaluation_order_test.B, [core.List])}),
+    methods: () => ({
+      get: dart.definiteFunctionType(dart.dynamic, [dart.dynamic]),
+      set: dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic]),
+      '+': dart.definiteFunctionType(dart.dynamic, [core.int])
+    })
+  });
+  operator_index_evaluation_order_test.getB = function(trace) {
+    dart.dsend(trace, 'add', -1);
+    return new operator_index_evaluation_order_test.B(core.List._check(trace));
+  };
+  dart.fn(operator_index_evaluation_order_test.getB, dynamicToB());
+  operator_index_evaluation_order_test.getIndex = function(trace) {
+    dart.dsend(trace, 'add', -2);
+    return 42;
+  };
+  dart.fn(operator_index_evaluation_order_test.getIndex, dynamicToint());
+  operator_index_evaluation_order_test.main = function() {
+    let trace = core.List.new();
+    let o = operator_index_evaluation_order_test.getB(trace), i = operator_index_evaluation_order_test.getIndex(trace);
+    o.set(i, dart.dsend(o.get(i), '+', 37));
+    expect$.Expect.listEquals(JSArrayOfint().of([-1, -2, -3, 42, 100, -4, 101, 37, -5, 42, 102]), trace);
+  };
+  dart.fn(operator_index_evaluation_order_test.main, VoidTodynamic());
+  // Exports:
+  exports.operator_index_evaluation_order_test = operator_index_evaluation_order_test;
+});