230364 2021-09-16 11:28:06 -0700 Fix CellTag being set 32 bits even if the base is not a cell 2021-09-17 23:52:16 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 mikhail webkit-unassigned ews-watchlist keith_miller mark.lam msaboff saam tzagallo webkit-bug-importer ysuzuki oldest_to_newest 1794128 0 mikhail 2021-09-16 11:28:06 -0700 Fix CellTag being set 32 bits even if the base is not a cell 1794129 1 438375 mikhail 2021-09-16 11:33:25 -0700 Created attachment 438375 Patch 1794213 2 438404 mikhail 2021-09-16 14:36:15 -0700 Created attachment 438404 Patch 1794511 3 438404 ysuzuki 2021-09-17 11:09:11 -0700 Comment on attachment 438404 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=438404&action=review Commented. > Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp:13711 > + JSValueRegs baseRegs; > + if (isCell(baseEdge.useKind())) { > + SpeculateCellOperand base(this, baseEdge); > + baseRegs = JSValueRegs::payloadOnly(base.gpr()); > + } else { > + JSValueOperand base(this, baseEdge); > + baseRegs = base.regs(); > + } This is not correct. When SpeculateCellOperand / JSValueOperand are destroyed, its tied register is unlocked. 1794547 4 438498 mikhail 2021-09-17 11:58:28 -0700 Created attachment 438498 Patch 1794747 5 438498 ysuzuki 2021-09-17 23:44:30 -0700 Comment on attachment 438498 Patch r=me 1794748 6 ews-feeder 2021-09-17 23:51:13 -0700 Committed r282722 (241859@main): <https://commits.webkit.org/241859@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 438498. 1794749 7 webkit-bug-importer 2021-09-17 23:52:16 -0700 <rdar://problem/83267081> 438375 2021-09-16 11:33:25 -0700 2021-09-16 14:36:10 -0700 Patch bug-230364-20210916183324.patch text/plain 4610 mikhail U3VidmVyc2lvbiBSZXZpc2lvbjogMjgyNTU2CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCAz OTkxOGViNTc4NDhlZTFhZjZmYTJkNWE5MjM0MTE0M2JjNjhlYjE0Li5iNGM0NjJjOTM3Y2YxZTk5 NDg2NTBhOTI4NzMzNTQwNGZiMzEwZjI3IDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwyMCBAQAorMjAyMS0wOS0xNiAgTWlraGFpbCBSLiBHYWRlbGhhICA8bWlraGFpbEBpZ2Fs aWEuY29tPgorCisgICAgICAgIEZpeCBDZWxsVGFnIGJlaW5nIHNldCAzMiBiaXRzIGV2ZW4gaWYg dGhlIGJhc2UgaXMgbm90IGEgY2VsbAorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9z aG93X2J1Zy5jZ2k/aWQ9MjMwMzY0CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BT 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