v8/test/mjsunit/elements-kind-depends.js

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// Copyright 2011 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
function burn() {
var a = new Array(3);
a[0] = 10;
a[1] = 15.5;
a[2] = 20;
return a;
}
function check(a) {
assertEquals(10, a[0]);
assertEquals(15.5, a[1]);
assertEquals(20, a[2]);
}
var b;
for (var i = 0; i < 3; ++i) {
b = burn();
check(b); // all OK
}
%OptimizeFunctionOnNextCall(burn);
b = burn();
check(b); // fails
function loop_test(x) {
for (i=0;i<3;i++) {
x[i] = (i+1) * 0.5;
}
}
function check2(b) {
assertEquals(0.5, b[0]);
assertEquals(1.0, b[1]);
assertEquals(1.5, b[2]);
}
for (var i = 0; i < 3; ++i) {
b = [0,1,2];
loop_test(b);
check2(b);
}
%OptimizeFunctionOnNextCall(loop_test);
b = [0,1,2];
loop_test(b);
check2(b);