Bug 90133

Summary: REGRESSION(r121232): named properties on document and window may return wrong object
Product: WebKit Reporter: Ryosuke Niwa <rniwa>
Component: DOMAssignee: Ryosuke Niwa <rniwa>
Status: RESOLVED FIXED    
Severity: Normal CC: abarth, darin, haraken, japhet, jochen, kling, webkit.review.bot
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 89923    
Bug Blocks:    
Attachments:
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Description Ryosuke Niwa 2012-06-27 21:54:17 PDT 
Addressing Darin's comment on https://bugs.webkit.org/show_bug.cgi?id=89923:

 Comment #18 From Darin Adler 2012-06-26 11:57:21 PST (-) [reply] 
(From update of attachment 149455 [details])
View in context: https://bugs.webkit.org/attachment.cgi?id=149455&action=review

>> Source/WebCore/html/HTMLCollection.h:65
>> +    }
> 
> This looks like it could return true for a list with two items if hasLength is false, m_cache.current is 2, and itemAfter(2) is 0. Is there some reason that’s not a problem?

Sorry, let me say that again:

This looks like it could return true for a collection with two items if m_cache.hasLength is false and m_cache.current is 1. If so, there is a bug here. If not, why can’t this happen?
Comment 1 Ryosuke Niwa 2012-06-27 22:29:32 PDT 
Created attachment 149869 [details]
Patch
Comment 2 Ryosuke Niwa 2012-06-27 22:30:47 PDT 
Created attachment 149870 [details]
Patch
Comment 3 WebKit Review Bot 2012-06-28 12:48:46 PDT 
Comment on attachment 149870 [details]
Patch

Clearing flags on attachment: 149870

Committed r121454: <http://trac.webkit.org/changeset/121454>
Comment 4 WebKit Review Bot 2012-06-28 12:48:52 PDT 
All reviewed patches have been landed.  Closing bug.