[pypy-commit] lang-js default: mark ObjectEnvironmentRecord._binding_object_ immutable

[stepahn]

Author: Stephan <step...@stzal.com>
Branch: 
Changeset: r297:2c91b00ad550
Date: 2012-09-04 15:47 +0200
http://bitbucket.org/pypy/lang-js/changeset/2c91b00ad550/

Log:    mark ObjectEnvironmentRecord._binding_object_ immutable

diff --git a/js/environment_record.py b/js/environment_record.py
--- a/js/environment_record.py
+++ b/js/environment_record.py
@@ -133,6 +133,8 @@
 
 
 class ObjectEnvironmentRecord(EnvironmentRecord):
+    _immutable_fields_ = ['binding_object']
+
     provide_this = False
 
     def __init__(self, obj, provide_this=False):
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