[math] Fix Math.hypot to properly call ToNumber on all arguments.

test/mjsunit/to_number_order.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 38 matching lines @@
 
 x = "";
 assertEquals(Math.atan2(1, 2), Math.atan2(v, w));
 // JSC says fiskhest.
 assertEquals("hestfisk", x, "atan2");
 
 x = "";
 assertEquals(1, Math.pow(v, w));
 assertEquals("hestfisk", x, "pow");
 
+x = "";
+var a = {valueOf: function() { x += "hest"; return 1/0; }};
+var b = {valueOf: function() { x += "fisk"; return 1}};
+assertEquals(1/0, Math.hypot(a, b));
+assertEquals("hestfisk", x, "hypot");
+
+
 var year = { valueOf: function() { x += 1; return 2007; } };
 var month = { valueOf: function() { x += 2; return 2; } };
 var date = { valueOf: function() { x += 3; return 4; } };
 var hours = { valueOf: function() { x += 4; return 13; } };
 var minutes = { valueOf: function() { x += 5; return 50; } };
 var seconds = { valueOf: function() { x += 6; return 0; } };
 var ms = { valueOf: function() { x += 7; return 999; } };
 
 x = "";
 new Date(year, month, date, hours, minutes, seconds, ms);
@@ skipping 137 matching lines @@
   assertEquals("fisk", x, "Compare objects undefined > b valueOf order");
 }
 
 // Call inside loop to test optimization and possible caching.
 for (i = 0; i < 3; ++i) {
   identical_object_comparison();
 }
 
 
 print("ok");