RESOLVED FIXED 90026
DFG PutByValAlias is too aggressive 
https://bugs.webkit.org/show_bug.cgi?id=90026
Summary DFG PutByValAlias is too aggressive
Filip Pizlo
Reported 2012-06-26 16:45:12 PDT
It is often used in places where we can't assume that the previous ByVal op had done a proper array bounds check.
Attachments
the patch (18.85 KB, patch)
2012-06-26 16:50 PDT, Filip Pizlo 		barraclough: review+
DetailsFormatted DiffDiff
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Filip Pizlo
Comment 1 2012-06-26 16:45:28 PDT
<rdar://problem/11751830>
Filip Pizlo
Comment 2 2012-06-26 16:50:02 PDT
Created attachment 149631 [details] the patch
Gavin Barraclough
Comment 3 2012-06-26 16:58:58 PDT
Comment on attachment 149631 [details] the patch View in context: https://bugs.webkit.org/attachment.cgi?id=149631&action=review If possible please to be adding a test for the regular arrays. > Source/JavaScriptCore/dfg/DFGGraph.h:480 > + return true; :-(
Filip Pizlo
Comment 4 2012-06-26 18:34:24 PDT
Landed in http://trac.webkit.org/changeset/121307
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