ae328e61b0
We can wrongly assume that exception which is not intended to be caught by external try/catch should be caught if this exception inherits external catcher from some previous exception. To prevent that, clear external catcher when processing exceptions which cannot be externally caught. BUG=v8:1184 TEST=test/mjsunit/regress/regress-1184.js Review URL: http://codereview.chromium.org/6538081 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6905 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
48 lines
2.2 KiB
JavaScript
48 lines
2.2 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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// Test the case when finally clause throws another exception (stack overflow)
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// which goes through some try/catch block---we need to clear v8::TryCatch
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// catcher as it doesn't catch original exception any more.
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o = {};
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o.__defineGetter__('foo', function() { throw 42; });
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function f() {
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try {
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// throw below sets up Top::thread_local_.catcher_...
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throw 42;
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} finally {
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// ...JS accessor traverses v8 runtime/JS boundary and
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// when coming back from JS to v8 runtime, retraverses
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// stack with catcher set while processing exception
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// which is not caught by external try catch.
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try { o.foo; } catch(e) { };
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return;
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}
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};
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f();
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