v8/test/mjsunit/regress/regress-crbug-138887.js
jkummerow@chromium.org 80c35c6522 Always set the callee's context when calling a function from optimized code.
This is necessary even for recursive calls because we're sharing optimized code among closures, which could call each other and have distinct contexts.

BUG=138887
TEST=mjsunit/regress/regress-crbug-138887

Review URL: https://chromiumcodereview.appspot.com/10834031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-07-26 12:49:08 +00:00

49 lines
2.1 KiB
JavaScript

// Copyright 2012 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 worker1(ignored) {
return 100;
}
function factory(worker) {
return function(call_depth) {
if (call_depth == 0) return 10;
return 1 + worker(call_depth - 1);
}
}
var f1 = factory(worker1);
var f2 = factory(f1);
assertEquals(11, f2(1)); // Result: 1 + f1(0) == 1 + 10.
assertEquals(11, f2(1));
%OptimizeFunctionOnNextCall(f1);
assertEquals(10, f1(0)); // Terminates immediately -> returns 10.
%OptimizeFunctionOnNextCall(f2);
assertEquals(102, f2(1000)); // 1 + f1(999) == 1 + 1 + worker1(998) == 102