node/deps/v8/test/mjsunit/regress/regress-undefined-nan.js
Ben Noordhuis 36cd5fb9d2 deps: upgrade v8 to 4.2.77.13
This commit applies some secondary changes in order to make `make test`
pass cleanly:

* disable broken postmortem debugging in common.gypi

* drop obsolete strict mode test in parallel/test-repl

* drop obsolete test parallel/test-v8-features

PR-URL: https://github.com/iojs/io.js/pull/1232
Reviewed-By: Fedor Indutny <fedor@indutny.com>
2015-04-28 14:38:16 -07:00

36 lines
943 B
JavaScript

// 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.
// Flags: --allow-natives-syntax
function loader(dst, src, i) {
dst[i] = src[i];
}
var ab = new ArrayBuffer(8);
var i_view = new Int32Array(ab);
i_view[0] = 0xFFF7FFFF;
i_view[1] = 0xFFF7FFFF;
var f_view = new Float64Array(ab);
var fixed_double_elements = new Float64Array(1);
function opt_store() { fixed_double_elements[0] = f_view[0]; }
opt_store();
opt_store();
%OptimizeFunctionOnNextCall(opt_store);
opt_store();
var i32 = new Int32Array(fixed_double_elements.buffer);
assertEquals(i_view[0], i32[0]);
assertEquals(i_view[1], i32[1]);
var doubles = [0.5];
loader(doubles, fixed_double_elements, 0);
loader(doubles, fixed_double_elements, 0);
%OptimizeFunctionOnNextCall(loader);
loader(doubles, fixed_double_elements, 0);
assertTrue(doubles[0] !== undefined);