|  | // Copyright 2013 the V8 project authors. All rights reserved. | 
|  | // Redistribution and use in source and binary forms, with or without | 
|  | // modification, are permitted provided that the following conditions are | 
|  | // met: | 
|  | // | 
|  | //     * Redistributions of source code must retain the above copyright | 
|  | //       notice, this list of conditions and the following disclaimer. | 
|  | //     * Redistributions in binary form must reproduce the above | 
|  | //       copyright notice, this list of conditions and the following | 
|  | //       disclaimer in the documentation and/or other materials provided | 
|  | //       with the distribution. | 
|  | //     * Neither the name of Google Inc. nor the names of its | 
|  | //       contributors may be used to endorse or promote products derived | 
|  | //       from this software without specific prior written permission. | 
|  | // | 
|  | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
|  | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
|  | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
|  | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
|  | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
|  | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
|  | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
|  | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
|  | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
|  | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | // Flags: --allow-natives-syntax | 
|  |  | 
|  | try { | 
|  | } catch (e) { | 
|  | }  // No need to optimize the top level. | 
|  |  | 
|  | var size = 0x20000; | 
|  | var a = new Float64Array(size); | 
|  | var training = new Float64Array(10); | 
|  | function store(a, index) { | 
|  | var offset = 0x20000000; | 
|  | for (var i = 0; i < 1; i++) { | 
|  | a[index + offset] = 0xcc; | 
|  | } | 
|  | }; | 
|  | %PrepareFunctionForOptimization(store); | 
|  | store(training, -0x20000000); | 
|  | store(training, -0x20000000 + 1); | 
|  | store(training, -0x20000000); | 
|  | store(training, -0x20000000 + 1); | 
|  | %OptimizeFunctionOnNextCall(store); | 
|  |  | 
|  | // Segfault maybe? | 
|  | for (var i = -0x20000000; i < -0x20000000 + size; i++) { | 
|  | store(a, i); | 
|  | } |