Check in codegen test expectations.

test/codegen/expect/language/unsupported_operators_test_none_multi.js

Index: test/codegen/expect/language/unsupported_operators_test_none_multi.js
diff --git a/test/codegen/expect/language/unsupported_operators_test_none_multi.js b/test/codegen/expect/language/unsupported_operators_test_none_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..fd27545d53bb15cb3def9955a9e502ec30ee76c0
--- /dev/null
+++ b/test/codegen/expect/language/unsupported_operators_test_none_multi.js
@@ -0,0 +1,28 @@
+dart_library.library('language/unsupported_operators_test_none_multi', null, /* Imports */[
+  'dart_sdk'
+], function load__unsupported_operators_test_none_multi(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const unsupported_operators_test_none_multi = Object.create(null);
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  unsupported_operators_test_none_multi.C = class C extends core.Object {
+    m() {
+      core.print(null);
+      core.print(null);
+    }
+  };
+  dart.setSignature(unsupported_operators_test_none_multi.C, {
+    methods: () => ({m: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  unsupported_operators_test_none_multi.main = function() {
+    new unsupported_operators_test_none_multi.C().m();
+    new unsupported_operators_test_none_multi.C().m();
+    core.print(null);
+    core.print(null);
+  };
+  dart.fn(unsupported_operators_test_none_multi.main, VoidTovoid());
+  // Exports:
+  exports.unsupported_operators_test_none_multi = unsupported_operators_test_none_multi;
+});