Revert "Remove flag track-allocation-sites."

test/mjsunit/regress/regress-convert-hole2.js

 // Copyright 2013 the V8 project authors. All rights reserved.
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 // met:
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-// Flags: --allow-natives-syntax
+// Flags: --allow-natives-syntax --notrack-allocation-sites
 
 // Test adding undefined from hole in double-holey to string.
 var a = [1.5, , 1.8];
 
 function f(a, i, l) {
   var v = a[i];
   return l + v;
 }
 
 assertEquals("test1.5", f(a, 0, "test"));
@@ skipping 39 matching lines @@
   b[1] = {};
 }
 
 t([1.4, 1.6,,1.8, NaN]);
 t([1.4, 1.6,,1.8, NaN]);
 %OptimizeFunctionOnNextCall(t);
 var a = [1.6, 1.8,,1.9, NaN];
 t(a);
 a.__proto__ = [6,6,6,6,6];
 assertEquals([1.6, {}, 6, 1.9, NaN], a);