Reapply 7763, including arm and x64 variants.

test/es5conform/es5conform.status

 # 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 154 matching lines @@
 
 # SUBSETFAIL
 chapter15/15.2/15.2.3/15.2.3.4/15.2.3.4-4-33: FAIL_OK
 
 # SUBSETFAIL
 chapter15/15.2/15.2.3/15.2.3.4/15.2.3.4-4-34: FAIL_OK
 
 # SUBSETFAIL
 chapter15/15.2/15.2.3/15.2.3.4/15.2.3.4-4-35: FAIL_OK
 
-# Bad test - the spec does not say anything about throwing errors
-# on calling Array.prototype.indexOf with undefined as argument.
-chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-1-1: FAIL_OK
-
-# Bad test - the spec does not say anything about throwing errors
-# on calling Array.prototype.indexOf with null as argument.
-chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-1-2: FAIL_OK
-
 # Bad test - the test at the end should be "i === true".
 chapter15/15.4/15.4.4/15.4.4.17/15.4.4.17-8-10: FAIL_OK
 
 # Bad test - according to spec some returns a Boolean, not a number.
 chapter15/15.4/15.4.4/15.4.4.17/15.4.4.17-4-9: FAIL_OK
 
 # Bad test - uses unitialized variable a in precondition check.
 chapter15/15.4/15.4.4/15.4.4.19/15.4.4.19-9-3: FAIL_OK
 
 # We do not implement Array mapping functions correctly if array
 # entries are added for nonexistent entries smaller than length by
 # the callback function. We are compatible with JSC.
 # See http://code.google.com/p/v8/issues/detail?id=755
 chapter15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-1: FAIL_OK
 
 # Bad tests, path in test file is wrong. This will crash the test
 # script so we mark it SKIP.
 chapter15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-c-ii-4: SKIP
 chapter15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-c-ii-4-s: SKIP
 
 # Bad test - deleting the property on o in callbackfn will
 # have no effect on the actual array on which reduceRight is called.
 chapter15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-7: FAIL_OK
 
-# We do not implement trim correctly on null and undefined.
-chapter15/15.5/15.5.4/15.5.4.20/15.5.4.20-1-1: FAIL
-chapter15/15.5/15.5.4/15.5.4.20/15.5.4.20-1-2: FAIL
-
 # We do not correctly recognize \uFEFF as whitespace
 chapter15/15.5/15.5.4/15.5.4.20/15.5.4.20-4-10: FAIL
 chapter15/15.5/15.5.4/15.5.4.20/15.5.4.20-4-18: FAIL
 chapter15/15.5/15.5.4/15.5.4.20/15.5.4.20-4-34: FAIL
 
 # RegExp.prototype is not of type RegExp - we are bug compatible with JSC.
 chapter15/15.10/15.10.6/15.10.6: FAIL_OK
 
 # We do not have the properties of a RegExp instance on RegExp.prototype.
 # The spec says we should - but we are currently bug compatible with JSC.
@@ skipping 137 matching lines @@
 chapter15/15.3/15.3.2/15.3.2.1/15.3.2.1-11-6-s: FAIL
 
 # Array.prototype.reduce - null passed as thisValue to strict callbackfn
 # Invalid test case: http://es5conform.codeplex.com/workitem/29085
 chapter15/15.4/15.4.4/15.4.4.21/15.4.4.21-9-c-ii-4-s: FAIL
 
 [ $arch == mips ]
 
 # Skip all tests on MIPS.
 *: SKIP