X64: Fix bug in left-shift.

test/mjsunit/big-array-literal.js

 // Copyright 2009 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
@@ skipping 63 matching lines @@
   if (array_in_middle) {
     assertEquals(42.2, y[0], "y array in middle");
     y[0] = 41.2;
   } else {
     assertEquals(42.2, y.a, "y object in middle");
     y.a = 41.2;
   }
 }
 
 // The sizes to test.
-var sizes = [1, 2, 100, 200, 400];
+var sizes = [1, 2, 100, 200, 300];
 
 // Run the test.
 for (var i = 0; i < sizes.length; i++) {
   testLiteral(sizes[i], false);
   testLiteral(sizes[i], true);
 }
 
 function testLiteralAndCatch(size) {
   var big_enough = false;
   try {
     testLiteral(size, false);
   } catch (e) {
     big_enough = true;
   }
   try {
     testLiteral(size, true);
   } catch (e) {
     big_enough = true;
   }
   return big_enough;
 }
 
 // Catch stack overflows.
 
 testLiteralAndCatch(1000) ||
 testLiteralAndCatch(20000) ||
 testLiteralAndCatch(200000);