186721 2018-06-16 08:17:36 -0700 [DFG] Reduce OSRExit for Kraken/crypto-aes due to CoW array 2018-06-20 06:40:10 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ysuzuki ysuzuki ews-watchlist guijemont keith_miller mark.lam msaboff saam webkit-bug-importer oldest_to_newest 1433708 0 ysuzuki 2018-06-16 08:17:36 -0700 [DFG] Reduce OSRExit for Kraken/crypto-aes due to CoW array 1433709 1 342879 ysuzuki 2018-06-16 08:22:37 -0700 Created attachment 342879 Patch 1433711 2 342880 ysuzuki 2018-06-16 08:43:15 -0700 Created attachment 342880 Patch 1433717 3 342880 keith_miller 2018-06-16 09:29:35 -0700 Comment on attachment 342880 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=342880&action=review r=me. > Source/JavaScriptCore/runtime/CommonSlowPaths.cpp:1166 > + ArrayAllocationProfile::updateLastAllocationFor(profile, result); Ha, whoops! I think I removed that to test something and forgot to put it back later... 1433719 4 342880 ysuzuki 2018-06-16 09:33:31 -0700 Comment on attachment 342880 Patch Yeah, we still have one more OSRExit, which is caused by Array#slice lookup. Personally, I think this can be fixed Fil's CreateThis's GetById extension, but idk. 1433720 5 ysuzuki 2018-06-16 09:34:03 -0700 Committed r232904: <https://trac.webkit.org/changeset/232904> 1433721 6 webkit-bug-importer 2018-06-16 09:35:18 -0700 <rdar://problem/41187936> 1434778 7 guijemont 2018-06-20 06:40:10 -0700 Since this change, stress/cow-convert-double-to-contiguous.js and stress/cow-convert-int32-to-contiguous.js fail on all 32-bit platforms. I'm trying to understand why. 342879 2018-06-16 08:22:37 -0700 2018-06-16 08:43:13 -0700 Patch bug-186721-20180617002237.patch text/plain 6773 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjMyOTAyCmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCBk YTViMzhlZWUxYmI1YzU4NTIwODU5Y2YxMTUyNGM2MWUxMTRiMmYzLi5kZjA5ZjI0NzkwZGUzMzgz MjZmOWRjMzFjYTIxYTYxNWM4ODZiODdjIDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwzMiBAQAorMjAxOC0wNi0xNiAgWXVzdWtlIFN1enVraSAgPHV0YXRhbmUudGVhQGdtYWls LmNvbT4KKworICAgICAgICBbREZHXSBSZWR1Y2UgT1NSRXhpdCBmb3IgS3Jha2VuL2NyeXB0by1h ZXMgZHVlIHRvIENvVyBhcnJheQorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93 X2J1Zy5jZ2k/aWQ9MTg2NzIxCisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISku CisKKyAgICAgICAgV2Ugc3RpbGwgaGF2ZSBzZXZlcmFsIG90aGVyIE9TUkV4aXRzLCBidXQgdGhp cyBwYXRjaCByZWR1Y2VzIHRoYXQuCisKKyAgICAgICAgMS4gV2hpbGUgQXJyYXlTbGljZSBjb2Rl 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