202299 2019-09-26 20:39:43 -0700 [JSC] DFG recursive-tail-call optimization should not emit jump to call-frame with varargs 2019-09-27 10:58:24 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ysuzuki ysuzuki ews-watchlist keith_miller mark.lam msaboff saam tzagallo webkit-bug-importer oldest_to_newest 1574717 0 ysuzuki 2019-09-26 20:39:43 -0700 [JSC] DFG recursive-tail-call optimization should not emit jump to call-frame with varargs 1574720 1 379709 ysuzuki 2019-09-26 20:57:58 -0700 Created attachment 379709 Patch 1574721 2 379710 ysuzuki 2019-09-26 20:59:00 -0700 Created attachment 379710 Patch 1574722 3 ysuzuki 2019-09-26 20:59:38 -0700 <rdar://problem/52669116> 1574750 4 379710 saam 2019-09-26 23:57:45 -0700 Comment on attachment 379710 Patch Nice. r=me 1574751 5 saam 2019-09-27 00:03:11 -0700 Can you open a bug to reinvestigate this in the future? I think requirements would be: - static argument count needs to be stored into stack - static argument count >= minimum - the arguments numbered >= minimum can’t use SetLocal, but need to use something like WriteStack which is not modeled by SSA lowering 1574852 6 ysuzuki 2019-09-27 09:57:03 -0700 Committed r250430: <https://trac.webkit.org/changeset/250430> 1574887 7 ysuzuki 2019-09-27 10:58:24 -0700 (In reply to Saam Barati from comment #5) > Can you open a bug to reinvestigate this in the future? I think requirements > would be: > - static argument count needs to be stored into stack > - static argument count >= minimum > - the arguments numbered >= minimum can’t use SetLocal, but need to use > something like WriteStack which is not modeled by SSA lowering Yeah! I added FIXME comment with URL :) 379709 2019-09-26 20:57:58 -0700 2019-09-26 20:58:59 -0700 Patch bug-202299-20190926205757.patch text/plain 6443 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjUwNDA1CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCBk OWViN2QwNDA4NWU3ZmU1YTYyZjYzZjVhYzYyZTQ5NTgxYTY4ZjYwLi45Mjk5ZGE3YTQ5MjkwODE5 MTM4MjI2YzRlMTZiMGQ0MTZmYTA0MmQxIDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSw0NCBAQAorMjAxOS0wOS0yNiAgWXVzdWtlIFN1enVraSAgPHlzdXp1a2lAYXBwbGUuY29t PgorCisgICAgICAgIFtKU0NdIERGRyByZWN1cnNpdmUtdGFpbC1jYWxsIG9wdGltaXphdGlvbiBz aG91bGQgbm90IGVtaXQganVtcCB0byBjYWxsLWZyYW1lIHdpdGggdmFyYXJncworICAgICAgICBo dHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjAyMjk5CisgICAgICAgIDxy ZGFyOi8vcHJvYmxlbS81MjY2OTExNj4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9P 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