[parser] Simplify parse-time function name inference for properties

test/mjsunit/es6/function-name.js

 // Copyright 2015 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.
 
 (function testVariableDeclarationsFunction() {
   'use strict';
   var a = function(){};
   assertEquals('a', a.name);
   let b = () => {};
   assertEquals('b', b.name);
@@ skipping 55 matching lines @@
   'use strict';
   class C {
     a() { }
     static b() { }
     get c() { }
     set c(val) { }
     42() { }
     static 43() { }
     get 44() { }
     set 44(val) { }
+    static get constructor() { }
+    static set constructor(val) { }
   };
 
   assertEquals('a', C.prototype.a.name);
   assertEquals('b', C.b.name);
   var descriptor = Object.getOwnPropertyDescriptor(C.prototype, 'c');
   assertEquals('get c', descriptor.get.name);
   assertEquals('set c', descriptor.set.name);
   assertEquals('42', C.prototype[42].name);
   assertEquals('43', C[43].name);
   var descriptor = Object.getOwnPropertyDescriptor(C.prototype, '44');
   assertEquals('get 44', descriptor.get.name);
   assertEquals('set 44', descriptor.set.name);
+  var descriptor = Object.getOwnPropertyDescriptor(C, 'constructor');
+  assertEquals('get constructor', descriptor.get.name);
+  assertEquals('set constructor', descriptor.set.name);
 })();
 
 (function testComputedProperties() {
   'use strict';
   var a = 'a';
   var b = 'b';
   var sym1 = Symbol('1');
   var sym2 = Symbol('2');
   var sym3 = Symbol('3');
   var symNoDescription = Symbol();
@@ skipping 263 matching lines @@
   var g = function* () {};
   var obj = {
     ['h']: function () {},
     i: () => {}
   };
   assertEquals('function () {}', f.toString());
   assertEquals('function* () {}', g.toString());
   assertEquals('function () {}', obj.h.toString());
   assertEquals('() => {}', obj.i.toString());
 })();