Move Oddball/String to %Typearray%.prototype.fill fast path

test/mjsunit/es6/typedarray-fill.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.
 
 var typedArrayConstructors = [
   Uint8Array,
   Int8Array,
   Uint16Array,
   Int16Array,
   Uint32Array,
@@ skipping 22 matching lines @@
   assertArrayEquals([0, 0, 0, 0, 0], new constructor([0, 0, 0, 0, 0]).fill(8, Infinity));
   assertArrayEquals([8, 8, 8, 8, 8], new constructor([0, 0, 0, 0, 0]).fill(8, -Infinity));
   assertArrayEquals([8, 8, 8, 8, 8], new constructor([0, 0, 0, 0, 0]).fill(8, 0, Infinity));
   assertArrayEquals([0, 0, 0, 0, 0], new constructor([0, 0, 0, 0, 0]).fill(8, 0, -Infinity));
 
   // Test exceptions
   assertThrows('constructor.prototype.fill.call(null)', TypeError);
   assertThrows('constructor.prototype.fill.call(undefined)', TypeError);
   assertThrows('constructor.prototype.fill.call([])', TypeError);
 
+  assertArrayEquals([0, 0, 0, 0, 0], new constructor([0, 0, 0, 0, 0]).fill(false));
+  assertArrayEquals([1, 1, 1, 1, 1], new constructor([0, 0, 0, 0, 0]).fill(true));
+  assertArrayEquals([0, 0, 0, 0, 0], new constructor([0, 0, 0, 0, 0]).fill(null));

[Camillo Bruni, 2017/03/22 21:26:50]

please add the same for undefined :)

[rongjie, 2017/03/23 00:01:49]

Done.

+
   // Test ToNumber
   var s = "";
   var p = new Proxy({}, {get(t,k) { s += k.toString() + '\n'; return Reflect.get(t, k)}})
   new constructor(3).fill(p);
   assertEquals(s, `Symbol(Symbol.toPrimitive)
 valueOf
 toString
 Symbol(Symbol.toStringTag)
 Symbol(Symbol.toPrimitive)
 valueOf
@@ skipping 25 matching lines @@
 assertArrayEquals([1, 1, 1, 1, 1], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(0.50001));
 assertArrayEquals([0, 0, 0, 0, 0], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(0.50000));
 assertArrayEquals([0, 0, 0, 0, 0], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(0.49999));
 // Check round half to even
 assertArrayEquals([2, 2, 2, 2, 2], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(1.50000));
 assertArrayEquals([2, 2, 2, 2, 2], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(2.50000));
 assertArrayEquals([3, 3, 3, 3, 3], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(2.50001));
 // Check infinity clamping.
 assertArrayEquals([0, 0, 0, 0, 0], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(-Infinity));
 assertArrayEquals([255, 255, 255, 255, 255], new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(Infinity));