84994 2012-04-26 12:45:19 -0700 arguments object resets attributes on redefinition of a parameter 2012-04-30 15:28:33 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 barraclough webkit-unassigned oldest_to_newest 610840 0 barraclough 2012-04-26 12:45:19 -0700 There is a bug that we always re-add the original property before redefinition, doing so in a way that will reset the attributes without checking configurability. 611044 1 139086 barraclough 2012-04-26 15:47:19 -0700 Created attachment 139086 preliminary patch 613009 2 barraclough 2012-04-30 15:28:33 -0700 Fixed in r115679 139086 2012-04-26 15:47:19 -0700 2012-04-26 15:47:19 -0700 preliminary patch 84994.patch text/plain 838 barraclough SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9ydW50aW1lL0FyZ3VtZW50cy5jcHAKPT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PQotLS0gU291cmNlL0phdmFTY3JpcHRDb3JlL3J1bnRpbWUvQXJndW1lbnRzLmNwcAkocmV2 aXNpb24gMTE1MTQwKQorKysgU291cmNlL0phdmFTY3JpcHRDb3JlL3J1bnRpbWUvQXJndW1lbnRz LmNwcAkod29ya2luZyBjb3B5KQpAQCAtMzA2LDcgKzMwNiw5IEBACiAgICAgYm9vbCBpc0FycmF5 SW5kZXg7CiAgICAgdW5zaWduZWQgaSA9IHByb3BlcnR5TmFtZS50b0FycmF5SW5kZXgoaXNBcnJh eUluZGV4KTsKICAgICBpZiAoaXNBcnJheUluZGV4ICYmIGkgPCB0aGlzT2JqZWN0LT5kLT5udW1B cmd1bWVudHMpIHsKLSAgICAgICAgb2JqZWN0LT5wdXREaXJlY3QoZXhlYy0+Z2xvYmFsRGF0YSgp LCBwcm9wZXJ0eU5hbWUsIHRoaXNPYmplY3QtPmFyZ3VtZW50KGkpLmdldCgpLCAwKTsKKyAgICAg ICAgUHJvcGVydHlTbG90IHNsb3Q7CisgICAgICAgIGlmICghSlNPYmplY3Q6OmdldE93blByb3Bl cnR5U2xvdCh0aGlzT2JqZWN0LCBleGVjLCBwcm9wZXJ0eU5hbWUsIHNsb3QpKQorICAgICAgICAg ICAgb2JqZWN0LT5wdXREaXJlY3QoZXhlYy0+Z2xvYmFsRGF0YSgpLCBwcm9wZXJ0eU5hbWUsIHRo aXNPYmplY3QtPmFyZ3VtZW50KGkpLmdldCgpLCAwKTsKICAgICAgICAgaWYgKCFCYXNlOjpkZWZp bmVPd25Qcm9wZXJ0eShvYmplY3QsIGV4ZWMsIHByb3BlcnR5TmFtZSwgZGVzY3JpcHRvciwgc2hv dWxkVGhyb3cpKQogICAgICAgICAgICAgcmV0dXJuIGZhbHNlOwogCg==