13456 2007-04-23 11:13:27 -0700 REGRESSION: setTimeout "arguments" object gets shadowed by a local variable (Can't get past splash screen for KLM airlines) 2007-05-25 17:14:21 -0700 1 1 1 Unclassified WebKit JavaScriptCore 523.x (Safari 3) Mac OS X 10.4 RESOLVED FIXED http://www.klm.com/travel/klm_splash/splashpage.html HasReduction, InRadar, Regression P1 Major --- 1 timothy.c.bates webkit-unassigned ap oldest_to_newest 13175 0 timothy.c.bates 2007-04-23 11:13:27 -0700 1. go to http://www.klm.com/ 2. select country (UK) --> expect go to localised booking page OBTAINED: returned to splash page, with "Netherlands" as country and language options selected. 13176 1 timothy.c.bates 2007-04-23 11:17:24 -0700 works fine in Tiger release Safari 13177 2 ap 2007-04-23 11:27:24 -0700 Confirmed with r21002. 12740 3 ap 2007-04-25 03:27:48 -0700 var arguments; for (var c = 0; c < argpairs.length; c++) { var pair = argpairs[c].split("=", 2); arguments[pair[0]] = pair[1]; // fails here, because arguments is undefined } This works in shipping Safari and in Firefox because the variable doesn't shadow a predefined parameters object. 12735 4 14173 ap 2007-04-25 03:28:17 -0700 Created attachment 14173 test case 12348 5 darin 2007-04-26 08:31:25 -0700 <rdar://problem/5163497> 9135 6 14721 kkinnunen 2007-05-25 07:17:33 -0700 Created attachment 14721 Fix by explicitly checking for arguments in VarDeclNode::evaluate The solution is not so nice because it uses explicit check. the error might show up somewhere else and of course if new similar properties are added to function call scope, same kind of bug will occur. Also the patch has has longer comment part than the actual code part. At least it gives a hint on why the bug exists.. 9125 7 14721 darin 2007-05-25 09:39:36 -0700 Comment on attachment 14721 Fix by explicitly checking for arguments in VarDeclNode::evaluate r=me 9090 8 darin 2007-05-25 17:14:21 -0700 Committed revision 21790. 14173 2007-04-25 03:28:17 -0700 2007-04-25 03:28:17 -0700 test case shadowed-timeout-arguments.html text/html 532 ap PGJvZHk+CjxkaXYgaWQ9ImxvZyI+PC9kaXY+CjxzY3JpcHQ+CmZ1bmN0aW9uIGxvZyhtZXNzYWdl KSB7CiAgaXRlbSA9IGRvY3VtZW50LmNyZWF0ZUVsZW1lbnQoInAiKTsKICBpdGVtLmFwcGVuZENo aWxkKGRvY3VtZW50LmNyZWF0ZVRleHROb2RlKG1lc3NhZ2UpKTsKICBkb2N1bWVudC5nZXRFbGVt ZW50QnlJZCgibG9nIikuYXBwZW5kQ2hpbGQoaXRlbSk7Cn0KCmZ1bmN0aW9uIG9uVGltZW91dCgp IHsKICB2YXIgYXJndW1lbnRzOwogIGxvZyhhcmd1bWVudHMgPyAiU1VDQ0VTUyIgOiAiRkFJTFVS RSIpOwogIGxvZygiYXJndW1lbnRzLmxlbmd0aDogIiArIGFyZ3VtZW50cy5sZW5ndGgpOwoKICBm b3IgKGkgPSAwOyBpIDwgYXJndW1lbnRzLmxlbmd0aDsgKytpKQogICAgbG9nKGkgKyAiOiAiICsg YXJndW1lbnRzW2ldKTsKfQoKd2luZG93LnNldFRpbWVvdXQoIm9uVGltZW91dCgpIiwgMTApOwp3 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