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      1 // Copyright 2008 the V8 project authors. All rights reserved.
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     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Regression test cases for issue 1178598.
     29 
     30 // Make sure const-initialization doesn't conflict
     31 // with heap-allocated locals for catch variables.
     32 var value = (function(){
     33   try { } catch(e) {
     34     // Force the 'e' variable to be heap-allocated
     35     // by capturing it in a function closure.
     36     (function() { e; });
     37   }
     38   // Make sure the two definitions of 'e' do
     39   // not conflict in any way.
     40   eval("const e=1");
     41   return e;
     42 })();
     43 
     44 assertEquals(1, value);
     45 
     46 
     47 
     48 // Make sure that catch variables can be accessed using eval.
     49 var value = (function() {
     50   var result;
     51   try {
     52     throw 42;
     53   } catch (e) {
     54     result = eval("e");
     55   }
     56   return result;
     57 })();
     58 
     59 assertEquals(42, value);
     60 
     61 
     62 
     63 // Make sure that heap-allocated locals for catch variables aren't
     64 // visible outside the catch scope and that they are visible from
     65 // within.
     66 var value = (function() {
     67   var result;
     68   try {
     69     throw 87;
     70   } catch(e) {
     71     // Force the 'e' variable to be heap-allocated
     72     // by capturing it in a function closure.
     73     (function() { e; });
     74     result = eval("e");
     75   }
     76 
     77   // Expect accessing 'e' to yield an exception because
     78   // it is not defined in the current scope.
     79   try {
     80     eval("e");
     81     assertTrue(false);  // should throw exception
     82   } catch(exception) {
     83     assertTrue(exception instanceof ReferenceError);
     84     return result;
     85   }
     86 })();
     87 
     88 assertEquals(87, value);
     89 
     90 
     91