Check in codegen test expectations.

test/codegen/expect/language/if_null_behavior_test_04_multi.js

+dart_library.library('language/if_null_behavior_test_04_multi', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__if_null_behavior_test_04_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 if_null_behavior_test_04_multi = Object.create(null);
+  let VoidToB = () => (VoidToB = dart.constFn(dart.definiteFunctionType(if_null_behavior_test_04_multi.B, [])))();
+  let VoidToC = () => (VoidToC = dart.constFn(dart.definiteFunctionType(if_null_behavior_test_04_multi.C, [])))();
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  if_null_behavior_test_04_multi.A = class A extends core.Object {
+    new(a) {
+      this.a = a;
+    }
+  };
+  dart.setSignature(if_null_behavior_test_04_multi.A, {
+    constructors: () => ({new: dart.definiteFunctionType(if_null_behavior_test_04_multi.A, [core.String])})
+  });
+  if_null_behavior_test_04_multi.B = class B extends if_null_behavior_test_04_multi.A {
+    new(v) {
+      this.b = v;
+      super.new(v);
+    }
+  };
+  dart.setSignature(if_null_behavior_test_04_multi.B, {
+    constructors: () => ({new: dart.definiteFunctionType(if_null_behavior_test_04_multi.B, [core.String])})
+  });
+  if_null_behavior_test_04_multi.C = class C extends if_null_behavior_test_04_multi.A {
+    new(v) {
+      this.c = v;
+      super.new(v);
+    }
+  };
+  dart.setSignature(if_null_behavior_test_04_multi.C, {
+    constructors: () => ({new: dart.definiteFunctionType(if_null_behavior_test_04_multi.C, [core.String])})
+  });
+  if_null_behavior_test_04_multi.nullB = function() {
+    return null;
+  };
+  dart.fn(if_null_behavior_test_04_multi.nullB, VoidToB());
+  if_null_behavior_test_04_multi.nullC = function() {
+    return null;
+  };
+  dart.fn(if_null_behavior_test_04_multi.nullC, VoidToC());
+  if_null_behavior_test_04_multi.noMethod = function(e) {
+    return core.NoSuchMethodError.is(e);
+  };
+  dart.fn(if_null_behavior_test_04_multi.noMethod, dynamicTodynamic());
+  if_null_behavior_test_04_multi.main = function() {
+    let _ = (() => {
+      let l = null;
+      return l != null ? l : null;
+    })();
+    expect$.Expect.equals(null, (() => {
+      let l = null;
+      return l != null ? l : null;
+    })());
+  };
+  dart.fn(if_null_behavior_test_04_multi.main, VoidTodynamic());
+  // Exports:
+  exports.if_null_behavior_test_04_multi = if_null_behavior_test_04_multi;
+});