[type profile] Collect return types.

test/message/type-profile/collect-type-profile.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --type-profile --turbo
 
-function test(param) {
-  var my_var1 = param;
-  var my_var2 = 17;
+function testFunction(param, flag) {
+  // We want to test 2 different return positions in one function.
+  if (flag) {
+    var first_var = param;
+    return first_var;
+  }
+  var second_var = param;
+  return second_var;
 }
 
-test({});
-test(123);
-test('hello');
-test(123);
-test(undefined);
-test('hello');
-test({x: 12});
-test({x: 12});
+testFunction({});
+testFunction(123);
+testFunction('hello', true);
+testFunction(undefined);
+testFunction({x: 12}, true);
 
 class MyClass {
   constructor() {}
 }
 
 
 function testConstructorNames(param) {
   var my_var = param;
 }
 
 testConstructorNames(new MyClass());
 testConstructorNames({});
 testConstructorNames(2);
 
+function testReturnOfNonVariable() {
+  return 32;
+}
+
+testReturnOfNonVariable();
+
 throw "throw otherwise test fails with --stress-opt";