45d4afbde5
BUG= R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/21221003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15951 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
67 lines
2.5 KiB
JavaScript
67 lines
2.5 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax
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// An exception thrown in a function optimized by on-stack replacement (OSR)
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// should be able to construct a receiver from all optimized stack frames.
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function A() { }
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A.prototype.f = function() { }
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function B() { }
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var o = new A();
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// This function throws if o does not have an f property, and should not be
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// inlined.
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function g() { try { return o.f(); } finally { }}
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// Optimization status (see runtime.cc):
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// 1 - yes, 2 - no, 3 - always, 4 - never.
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// This function should be optimized via OSR.
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function h() {
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var optstatus = %GetOptimizationStatus(h);
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if (optstatus == 4) {
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// Optimizations are globally disabled; just run once.
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g();
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} else {
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// Run for a bit as long as h is unoptimized.
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if (%GetOptimizationStatus(h) != 4) {
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while (%GetOptimizationCount(h) == 0) {
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for (var j = 0; j < 100; j++) g();
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}
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}
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g();
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}
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}
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h();
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o = new B();
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assertThrows("h()");
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