[esnext] Fix various callsites to use is_resumable, not is_generator

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
@@ skipping 40 matching lines @@
 shouldThrow('x = class extends', '"SyntaxError: Unexpected end of input"');
 shouldThrow('x = class extends Base {', '"SyntaxError: Unexpected end of input"');
 shouldNotThrow('x = class extends Base { }');
 shouldNotThrow('x = class extends Base { constructor() { } }');
 shouldBe('x.__proto__', 'Base');
 shouldBe('Object.getPrototypeOf(x)', 'Base');
 shouldBe('x.prototype.__proto__', 'Base.prototype');
 shouldBe('Object.getPrototypeOf(x.prototype)', 'Base.prototype');
 shouldBe('x = class extends null { constructor() { } }; x.__proto__', 'Function.prototype');
 shouldBe('x.__proto__', 'Function.prototype');
-shouldThrow('x = class extends 3 { constructor() { } }; x.__proto__', '"TypeError: Class extends value 3 is not a function or null"');
-shouldThrow('x = class extends "abc" { constructor() { } }; x.__proto__', '"TypeError: Class extends value abc is not a function or null"');
+shouldThrow('x = class extends 3 { constructor() { } }; x.__proto__', '"TypeError: Class extends value 3 is not a constructor or null"');
+shouldThrow('x = class extends "abc" { constructor() { } }; x.__proto__', '"TypeError: Class extends value abc is not a constructor or null"');
 shouldNotThrow('baseWithBadPrototype = function () {}; baseWithBadPrototype.prototype = 3; new baseWithBadPrototype');
 shouldThrow('x = class extends baseWithBadPrototype { constructor() { } }', '"TypeError: Class extends value does not have valid prototype property 3"');
 shouldNotThrow('baseWithBadPrototype.prototype = "abc"');
 shouldThrow('x = class extends baseWithBadPrototype { constructor() { } }', '"TypeError: Class extends value does not have valid prototype property abc"');
 shouldNotThrow('baseWithBadPrototype.prototype = null; x = class extends baseWithBadPrototype { constructor() { } }');
 
 shouldThrow('x = 1; c = class extends ++x { constructor() { } };');
 shouldThrow('x = 1; c = class extends x++ { constructor() { } };');
 shouldThrow('x = 1; c = class extends (++x) { constructor() { } };');
 shouldThrow('x = 1; c = class extends (x++) { constructor() { } };');
@@ skipping 12 matching lines @@
 shouldThrow('namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends false||null||namespace.A { constructor() { } }');
 shouldNotThrow('x = 1; namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends (x++, namespace.A) { constructor() { } };');
 shouldThrow('x = 1; namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends (namespace.A, x++) { constructor() { } };');
 shouldThrow('namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends new namespace.A { constructor() { } }');
 shouldThrow('namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends new namespace.A() { constructor() { } }');
 shouldBe('x = 1; namespace = {}; namespace.A = class { constructor() { } }; try { namespace.B = class extends (x++, namespace.A) { constructor() { } } } catch (e) { } x', '2');
 shouldBe('x = 1; namespace = {}; namespace.A = class { constructor() { } }; try { namespace.B = class extends (namespace.A, x++) { constructor() { } } } catch (e) { } x', '2');
 
 shouldBe('Object.getPrototypeOf((class { constructor () { } }).prototype)', 'Object.prototype');
 shouldBe('Object.getPrototypeOf((class extends null { constructor () { super(); } }).prototype)', 'null');
-shouldThrow('new (class extends undefined { constructor () { this } })', '"TypeError: Class extends value undefined is not a function or null"');
-shouldThrow('new (class extends undefined { constructor () { super(); } })', '"TypeError: Class extends value undefined is not a function or null"');
-shouldThrow('x = {}; new (class extends undefined { constructor () { return x; } })', '"TypeError: Class extends value undefined is not a function or null"');
-shouldThrow('y = 12; new (class extends undefined { constructor () { return y; } })', '"TypeError: Class extends value undefined is not a function or null"');
+shouldThrow('new (class extends undefined { constructor () { this } })', '"TypeError: Class extends value undefined is not a constructor or null"');
+shouldThrow('new (class extends undefined { constructor () { super(); } })', '"TypeError: Class extends value undefined is not a constructor or null"');
+shouldThrow('x = {}; new (class extends undefined { constructor () { return x; } })', '"TypeError: Class extends value undefined is not a constructor or null"');
+shouldThrow('y = 12; new (class extends undefined { constructor () { return y; } })', '"TypeError: Class extends value undefined is not a constructor or null"');
 shouldBeTrue ('class x {}; new (class extends null { constructor () { return new x; } }) instanceof x');
 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;