RESOLVED FIXED 88362
DFG CFG simplification should not attempt to deref nodes inside of an unreachable subgraph 
https://bugs.webkit.org/show_bug.cgi?id=88362
Summary DFG CFG simplification should not attempt to deref nodes inside of an unreach...
Filip Pizlo
Reported 2012-06-05 13:48:04 PDT
This is not only dangerous (you might go down an infinite deref recursion if you hit a dead cycle) but entirely unnecessary (the subgraph is going to get deleted anyway regardless of ref counts).
Attachments
the patch (2.19 KB, patch)
2012-06-05 13:53 PDT, Filip Pizlo 		barraclough: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2012-06-05 13:53:40 PDT
Created attachment 145865 [details] the patch Still trying to figure out the best way to test this.
Filip Pizlo
Comment 2 2012-06-05 14:32:45 PDT
Landed in http://trac.webkit.org/changeset/119526
Filip Pizlo
Comment 3 2012-06-05 14:40:38 PDT
*** Bug 87994 has been marked as a duplicate of this bug. ***
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