Version 2.2.23...

test/mjsunit/math-min-max.js

 // Copyright 2008 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 24 matching lines @@
 assertEquals(1, Math.min(2, 1));
 assertEquals(1, Math.min(1, 2, 3));
 assertEquals(1, Math.min(3, 2, 1));
 assertEquals(1, Math.min(2, 3, 1));
 assertEquals(1.1, Math.min(1.1, 2.2, 3.3));
 assertEquals(1.1, Math.min(3.3, 2.2, 1.1));
 assertEquals(1.1, Math.min(2.2, 3.3, 1.1));
 
 // Prepare a non-Smi zero value.
 function returnsNonSmi(){ return 0.25; }
-var ZERO = returnsNonSmi() - returnsNonSmi();
+var ZERO = (function() {
+  var z;
+  // We have to have a loop here because the first time we get a Smi from the
+  // runtime system.  After a while the binary op IC settles down and we get
+  // a non-Smi from the generated code.
+  for (var i = 0; i < 10; i++) {
+    z = returnsNonSmi() - returnsNonSmi();
+  }
+  return z;
+})();
 assertEquals(0, ZERO);
 assertEquals(Infinity, 1/ZERO);
 assertEquals(-Infinity, 1/-ZERO);
 assertFalse(%_IsSmi(ZERO));
 assertFalse(%_IsSmi(-ZERO));
 
 var o = {};
 o.valueOf = function() { return 1; };
 assertEquals(1, Math.min(2, 3, '1'));
 assertEquals(1, Math.min(3, o, 2));
@@ skipping 40 matching lines @@
 assertEquals(1, Math.max(+0, -0, +1));
 assertEquals(1, Math.max(+1, +0, -0));
 assertEquals(1, Math.max(+0, +1, -0));
 assertEquals(1, Math.max(-0, +1, +0));
 assertNaN(Math.max('oxen'));
 assertNaN(Math.max('oxen', 1));
 assertNaN(Math.max(1, 'oxen'));
 
 assertEquals(Infinity, 1/Math.max(ZERO, -0));
 assertEquals(Infinity, 1/Math.max(-0, ZERO));