Check in codegen test expectations.

test/codegen/expect/language/const_switch2_test_none_multi.js

Index: test/codegen/expect/language/const_switch2_test_none_multi.js
diff --git a/test/codegen/expect/language/const_switch2_test_none_multi.js b/test/codegen/expect/language/const_switch2_test_none_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..fb0a08a57acccc558037f81700d8368e3dd2a207
--- /dev/null
+++ b/test/codegen/expect/language/const_switch2_test_none_multi.js
@@ -0,0 +1,24 @@
+dart_library.library('language/const_switch2_test_none_multi', null, /* Imports */[
+  'dart_sdk'
+], function load__const_switch2_test_none_multi(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const const_switch2_test_none_multi = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let VoidToint = () => (VoidToint = dart.constFn(dart.definiteFunctionType(core.int, [])))();
+  const_switch2_test_none_multi.main = function() {
+    let a = JSArrayOfint().of([1, 2, 3])[dartx.get](2);
+    switch (a) {
+      case 1:
+      {
+        core.print("OK");
+      }
+    }
+  };
+  dart.fn(const_switch2_test_none_multi.main, VoidToint());
+  // Exports:
+  exports.const_switch2_test_none_multi = const_switch2_test_none_multi;
+});