189628 2018-09-14 13:37:47 -0700 Don't dump OSRAvailabilityData in Graph::dump because a stale Availability may point to a Node that is already freed 2018-09-14 16:48:04 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 saam saam benjamin commit-queue fpizlo ggaren gskachkov keith_miller mark.lam msaboff rmorisset ticaiolima webkit-bug-importer ysuzuki oldest_to_newest 1459865 0 saam 2018-09-14 13:37:47 -0700 Otherwise, an Availability may point to a node that was removed from the graph. 1459869 1 fpizlo 2018-09-14 13:39:54 -0700 (In reply to Saam Barati from comment #0) > Otherwise, an Availability may point to a node that was removed from the > graph. Or just not report availability in dumping. I don't think it's a good idea to have dumping cause us to run an analysis. We want to be able to dump when debugging. If there's a bug then computing an analysis may trigger another bug. 1459872 2 saam 2018-09-14 13:44:04 -0700 <rdar://problem/39481690> 1459873 3 saam 2018-09-14 13:45:44 -0700 (In reply to Filip Pizlo from comment #1) > (In reply to Saam Barati from comment #0) > > Otherwise, an Availability may point to a node that was removed from the > > graph. > > Or just not report availability in dumping. > > I don't think it's a good idea to have dumping cause us to run an analysis. > We want to be able to dump when debugging. If there's a bug then computing > an analysis may trigger another bug. Yeah I'm torn on this. I personally find dumping availability helpful. But I also thought through an issue you're describing here. Making an analysis run in dumping could make other analyses break in weird ways when they may be using the availability data structures. I think we should just remove the dumping, and if someone needs that data dumped, they can manually hack the dumping code. 1459877 4 349801 saam 2018-09-14 13:53:01 -0700 Created attachment 349801 patch 1459878 5 349801 mark.lam 2018-09-14 13:55:35 -0700 Comment on attachment 349801 patch View in context: https://bugs.webkit.org/attachment.cgi?id=349801&action=review r=me > Source/JavaScriptCore/dfg/DFGGraph.cpp:572 > + if (false) Can you make this a static const bool at the top of this file? It makes it easy to enable by just changing the bool. 1459879 6 349802 saam 2018-09-14 14:00:28 -0700 Created attachment 349802 patch for landing Thanks for the review 1459955 7 349802 commit-queue 2018-09-14 16:48:02 -0700 Comment on attachment 349802 patch for landing Clearing flags on attachment: 349802 Committed r236022: <https://trac.webkit.org/changeset/236022> 1459956 8 commit-queue 2018-09-14 16:48:04 -0700 All reviewed patches have been landed. Closing bug. 349801 2018-09-14 13:53:01 -0700 2018-09-14 14:00:28 -0700 patch c-backup.diff text/plain 3632 saam SW5kZXg6IEpTVGVzdHMvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIEpTVGVzdHMvQ2hhbmdlTG9n CShyZXZpc2lvbiAyMzYwMTcpCisrKyBKU1Rlc3RzL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpA QCAtMSwzICsxLDE0IEBACisyMDE4LTA5LTE0ICBTYWFtIGJhcmF0aSAgPHNiYXJhdGlAYXBwbGUu Y29tPgorCisgICAgICAgIERvbid0IGR1bXAgT1NSQXZhaWxhYmlsaXR5RGF0YSBpbiBHcmFwaDo6 ZHVtcCBiZWNhdXNlIGEgc3RhbGUgQXZhaWxhYmlsaXR5IG1heSBwb2ludCB0byBhIE5vZGUgdGhh dCBpcyBhbHJlYWR5IGZyZWVkCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3df YnVnLmNnaT9pZD0xODk2MjgKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzM5NDgxNjkwPgorCisg ICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgICogc3RyZXNzL3Zl cmJvc2UtZmFpbHVyZS1kb250LWdyYXBoLWR1bXAtYXZhaWxhYmlsaXR5LWFscmVhZHktZnJlZWQu anM6IEFkZGVkLgorICAgICAgICAoZm9vKToKKwogMjAxOC0wOS0xMSAgTWFyayBMYW0gIDxtYXJr 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