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      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Test the case when finally clause throws another exception (stack overflow)
     29 // which goes through some try/catch block---we need to clear v8::TryCatch
     30 // catcher as it doesn't catch original exception any more.
     31 
     32 o = {};
     33 o.__defineGetter__('foo', function() { throw 42; });
     34 function f() {
     35  try {
     36    // throw below sets up Top::thread_local_.catcher_...
     37    throw 42;
     38  } finally {
     39    // ...JS accessor traverses v8 runtime/JS boundary and
     40    // when coming back from JS to v8 runtime, retraverses
     41    // stack with catcher set while processing exception
     42    // which is not caught by external try catch.
     43    try { o.foo; } catch(e) { };
     44    return;
     45  }
     46 };
     47 f();
     48