(early draft) Strict mode - throw exception on assignment to read only property.

test/es5conform/es5conform.status

 # Copyright 2009 the V8 project authors. All rights reserved.
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 #     * Redistributions of source code must retain the above copyright
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 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
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@@ skipping 251 matching lines @@
 # simple assignment throws TypeError if LeftHandSide is a readonly property
 # in strict mode (Global.NaN)
 chapter11/11.13/11.13.1/11.13.1-4-2-s: FAIL
 # simple assignment throws TypeError if LeftHandSide is a readonly property
 # in strict mode (Global.Infinity)
 chapter11/11.13/11.13.1/11.13.1-4-3-s: FAIL
 # simple assignment throws TypeError if LeftHandSide is a readonly property
 # in strict mode (Global.length)
 chapter11/11.13/11.13.1/11.13.1-4-4-s: FAIL
 # simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Object.length)
-chapter11/11.13/11.13.1/11.13.1-4-5-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Function.length)
-chapter11/11.13/11.13.1/11.13.1-4-6-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Array.length)
-chapter11/11.13/11.13.1/11.13.1-4-7-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (String.length)
-chapter11/11.13/11.13.1/11.13.1-4-8-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Boolean.length)
-chapter11/11.13/11.13.1/11.13.1-4-9-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Number.length)
-chapter11/11.13/11.13.1/11.13.1-4-10-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Date.length)
-chapter11/11.13/11.13.1/11.13.1-4-11-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (RegExp.length)
-chapter11/11.13/11.13.1/11.13.1-4-12-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Error.length)
-chapter11/11.13/11.13.1/11.13.1-4-13-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Number.MAX_VALUE)
-chapter11/11.13/11.13.1/11.13.1-4-14-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Number.MIN_VALUE)
-chapter11/11.13/11.13.1/11.13.1-4-15-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Number.NaN)
-chapter11/11.13/11.13.1/11.13.1-4-16-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Number.NEGATIVE_INFINITY)
-chapter11/11.13/11.13.1/11.13.1-4-17-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Number.POSITIVE_INFINITY)
-chapter11/11.13/11.13.1/11.13.1-4-18-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.E)
-chapter11/11.13/11.13.1/11.13.1-4-19-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.LN10)
-chapter11/11.13/11.13.1/11.13.1-4-20-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.LN2)
-chapter11/11.13/11.13.1/11.13.1-4-21-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.LOG2E)
-chapter11/11.13/11.13.1/11.13.1-4-22-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.LOG10E)
-chapter11/11.13/11.13.1/11.13.1-4-23-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.PI)
-chapter11/11.13/11.13.1/11.13.1-4-24-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.SQRT1_2)
-chapter11/11.13/11.13.1/11.13.1-4-25-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
-# in strict mode (Math.SQRT2)
-chapter11/11.13/11.13.1/11.13.1-4-26-s: FAIL
-# simple assignment throws TypeError if LeftHandSide is a readonly property
 # in strict mode (Global.undefined)
 chapter11/11.13/11.13.1/11.13.1-4-27-s: FAIL
 
 # delete operator throws TypeError when when deleting a non-configurable
 # data property in strict mode (Global.NaN)
 # Invalid test case - "this" is not a global object within the test case.
 # (http://es5conform.codeplex.com/workitem/29151)
 chapter11/11.4/11.4.1/11.4.1-4.a-4-s: FAIL_OK
 
 # delete operator throws ReferenceError when deleting a direct reference
@@ skipping 85 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