Check in codegen test expectations.

test/codegen/expect/language/const_switch_test_01_multi.js

Index: test/codegen/expect/language/const_switch_test_01_multi.js
diff --git a/test/codegen/expect/language/const_switch_test_01_multi.js b/test/codegen/expect/language/const_switch_test_01_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..ccdf43c5d95ccb01bb74725582ec582384459afb
--- /dev/null
+++ b/test/codegen/expect/language/const_switch_test_01_multi.js
@@ -0,0 +1,57 @@
+dart_library.library('language/const_switch_test_01_multi', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__const_switch_test_01_multi(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 const_switch_test_01_multi = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let CToString = () => (CToString = dart.constFn(dart.definiteFunctionType(core.String, [const_switch_test_01_multi.C])))();
+  const_switch_test_01_multi.C = class C extends core.Object {
+    new(field) {
+      this.field = field;
+    }
+  };
+  dart.setSignature(const_switch_test_01_multi.C, {
+    constructors: () => ({new: dart.definiteFunctionType(const_switch_test_01_multi.C, [dart.dynamic])})
+  });
+  const_switch_test_01_multi.c1 = dart.const(new const_switch_test_01_multi.C(0.0));
+  const_switch_test_01_multi.c2 = dart.const(new const_switch_test_01_multi.C(0));
+  const_switch_test_01_multi.c3 = dart.const(new const_switch_test_01_multi.C(0.5 + 0.5));
+  const_switch_test_01_multi.c4 = dart.const(new const_switch_test_01_multi.C(1));
+  const_switch_test_01_multi.main = function() {
+    expect$.Expect.equals('0.0', const_switch_test_01_multi.test(const_switch_test_01_multi.c1));
+  };
+  dart.fn(const_switch_test_01_multi.main, VoidTodynamic());
+  let const$;
+  let const$0;
+  let const$1;
+  let const$2;
+  const_switch_test_01_multi.test = function(c) {
+    switch (c) {
+      case const$ || (const$ = dart.const(new const_switch_test_01_multi.C(0.0))):
+      {
+        return '0.0';
+      }
+      case const$0 || (const$0 = dart.const(new const_switch_test_01_multi.C(0))):
+      {
+        return '0';
+      }
+      case const$1 || (const$1 = dart.const(new const_switch_test_01_multi.C(1.0))):
+      {
+        return '1.0';
+      }
+      case const$2 || (const$2 = dart.const(new const_switch_test_01_multi.C(1))):
+      {
+        return '1';
+      }
+    }
+    return null;
+  };
+  dart.fn(const_switch_test_01_multi.test, CToString());
+  // Exports:
+  exports.const_switch_test_01_multi = const_switch_test_01_multi;
+});