Make recent regression test resilient against GC stress.

test/mjsunit/regress/regress-165637.js

 // Copyright 2012 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
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@@ skipping 27 matching lines @@
 
   var start = Date.now();
 
   for (i = 0; i < 20000; i++) {
     data.slice(4, 1);
   }
 
   return Date.now() - start;
 }
 
+// Reset the GC interval to be off. Needed so that the runtime of this test
+// stays within bounds even if we run in GC stress mode.
+%SetFlags("--gc-interval=-1");
+
 // Should never take more than 3 seconds (if the bug is fixed, the test takes
 // considerably less time than 3 seconds).
 assertTrue(do_slices() < (3 * 1000));
 
 // Make sure that packed and unpacked array slices are still properly handled
 var holey_array = [1, 2, 3, 4, 5,,,,,,];
 assertFalse(%HasFastHoleyElements(holey_array.slice(6, 1)));
 assertEquals(undefined, holey_array.slice(6, 7)[0])
 assertFalse(%HasFastHoleyElements(holey_array.slice(2, 1)));
 assertEquals(3, holey_array.slice(2, 3)[0])