Check in codegen test expectations.

test/codegen/expect/language/branch_canonicalization_test.js

Index: test/codegen/expect/language/branch_canonicalization_test.js
diff --git a/test/codegen/expect/language/branch_canonicalization_test.js b/test/codegen/expect/language/branch_canonicalization_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..a86cfe16f5db91e479f4181a6d2056154341aed5
--- /dev/null
+++ b/test/codegen/expect/language/branch_canonicalization_test.js
@@ -0,0 +1,76 @@
+dart_library.library('language/branch_canonicalization_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__branch_canonicalization_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 branch_canonicalization_test = Object.create(null);
+  let dynamicAnddynamicTodynamic = () => (dynamicAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  branch_canonicalization_test.sideEffect = true;
+  branch_canonicalization_test.barDouble = function(a, b) {
+    branch_canonicalization_test.sideEffect = false;
+    let result = dart.equals(a, b);
+    branch_canonicalization_test.sideEffect = !dart.test(branch_canonicalization_test.sideEffect);
+    return result;
+  };
+  dart.fn(branch_canonicalization_test.barDouble, dynamicAnddynamicTodynamic());
+  branch_canonicalization_test.fooDouble = function(a, b) {
+    return dart.test(branch_canonicalization_test.barDouble(a, b)) ? 1 : 0;
+  };
+  dart.fn(branch_canonicalization_test.fooDouble, dynamicAnddynamicTodynamic());
+  branch_canonicalization_test.barMint = function(a, b) {
+    branch_canonicalization_test.sideEffect = false;
+    let result = dart.equals(a, b);
+    branch_canonicalization_test.sideEffect = !dart.test(branch_canonicalization_test.sideEffect);
+    return result;
+  };
+  dart.fn(branch_canonicalization_test.barMint, dynamicAnddynamicTodynamic());
+  branch_canonicalization_test.fooMint = function(a, b) {
+    return dart.test(branch_canonicalization_test.barMint(a, b)) ? 1 : 0;
+  };
+  dart.fn(branch_canonicalization_test.fooMint, dynamicAnddynamicTodynamic());
+  branch_canonicalization_test.A = class A extends core.Object {
+    ['=='](other) {
+      return core.identical(this, other);
+    }
+  };
+  branch_canonicalization_test.B = class B extends branch_canonicalization_test.A {};
+  branch_canonicalization_test.C = class C extends branch_canonicalization_test.A {};
+  branch_canonicalization_test.barPoly = function(a, b) {
+    branch_canonicalization_test.sideEffect = false;
+    let result = dart.equals(a, b);
+    branch_canonicalization_test.sideEffect = !dart.test(branch_canonicalization_test.sideEffect);
+    return result;
+  };
+  dart.fn(branch_canonicalization_test.barPoly, dynamicAnddynamicTodynamic());
+  branch_canonicalization_test.fooPoly = function(a, b) {
+    return dart.test(branch_canonicalization_test.barPoly(a, b)) ? 1 : 0;
+  };
+  dart.fn(branch_canonicalization_test.fooPoly, dynamicAnddynamicTodynamic());
+  branch_canonicalization_test.main = function() {
+    let a = 1.0;
+    let b = (1)[dartx['<<']](62);
+    let x = new branch_canonicalization_test.A(), y = new branch_canonicalization_test.B(), z = new branch_canonicalization_test.C();
+    for (let i = 0; i < 20; i++) {
+      expect$.Expect.equals(1, branch_canonicalization_test.fooDouble(a, a));
+      expect$.Expect.isTrue(branch_canonicalization_test.sideEffect);
+      expect$.Expect.equals(0, branch_canonicalization_test.fooMint(b, 0));
+      expect$.Expect.isTrue(branch_canonicalization_test.sideEffect);
+      expect$.Expect.equals(1, branch_canonicalization_test.fooPoly(x, x));
+      expect$.Expect.equals(0, branch_canonicalization_test.fooPoly(y, x));
+    }
+    expect$.Expect.equals(1, branch_canonicalization_test.fooDouble(z, z));
+    expect$.Expect.isTrue(branch_canonicalization_test.sideEffect);
+    expect$.Expect.equals(1, branch_canonicalization_test.fooMint(z, z));
+    expect$.Expect.isTrue(branch_canonicalization_test.sideEffect);
+    expect$.Expect.equals(1, branch_canonicalization_test.fooPoly(z, z));
+    expect$.Expect.isTrue(branch_canonicalization_test.sideEffect);
+  };
+  dart.fn(branch_canonicalization_test.main, VoidTodynamic());
+  // Exports:
+  exports.branch_canonicalization_test = branch_canonicalization_test;
+});