Remove runtime flags for sloppy mode block scoping features

test/webkit/class-syntax-extends.js

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 // 1.  Redistributions of source code must retain the above copyright
 //     notice, this list of conditions and the following disclaimer.
 // 2.  Redistributions in binary form must reproduce the above copyright
 //     notice, this list of conditions and the following disclaimer in the
 //     documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --harmony-sloppy
-
 description('Tests for ES6 class syntax "extends"');
 
 class Base {
     constructor() { }
     baseMethod() { return 'base'; }
     overridenMethod() { return 'base'; }
     static staticBaseMethod() { return 'base'; }
     static staticOverridenMethod() { return 'base'; }
 }
 
@@ skipping 66 matching lines @@
 shouldThrow('new (class extends null { constructor () { this; } })', '"ReferenceError: this is not defined"');
 shouldThrow('new (class extends null { constructor () { super(); } })', '"TypeError: super is not a constructor"');
 shouldBe('x = {}; new (class extends null { constructor () { return x } })', 'x');
 shouldThrow('y = 12; new (class extends null { constructor () { return y; } })', '"TypeError: Derived constructors may only return object or undefined"');
 shouldBeTrue ('class x {}; new (class extends null { constructor () { return new x; } }) instanceof x');
 shouldBe('x = null; Object.getPrototypeOf((class extends x { }).prototype)', 'null');
 shouldBeTrue('Object.prototype.isPrototypeOf(class { })');
 shouldBeTrue('Function.prototype.isPrototypeOf(class { })');
 
 var successfullyParsed = true;