Harmony: move math features to es-staging.

test/mjsunit/harmony/math-clz32.js

-// Copyright 2014 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: --harmony-maths --allow-natives-syntax
-
-[NaN, Infinity, -Infinity, 0, -0, "abc", "Infinity", "-Infinity", {}].forEach(
-  function(x) {
-    assertEquals(32, Math.clz32(x));
-  }
-);
-
-function testclz(x) {
-  for (var i = 0; i < 33; i++) {
-    if (x & 0x80000000) return i;
-    x <<= 1;
-  }
-  return 32;
-}
-
-
-function f(e) {
-  var max = Math.pow(2, e);
-  for (var x = 0; x < max; x = x * 1.01 + 1) {
-    assertEquals(testclz(x), Math.clz32(x));
-    assertEquals(testclz(-x), Math.clz32(-x));
-    assertEquals(testclz(x), Math.clz32({ valueOf: function() { return x; } }));
-    assertEquals(testclz(-x),
-                 Math.clz32({ toString: function() { return -x; } }));
-  }
-}
-
-f(5);
-f(5);
-%OptimizeFunctionOnNextCall(f);
-f(40);