228838 2021-08-05 12:27:22 -0700 REGRESSION (r280507): ASSERTION FAILED: !undominatedPhis.contains(value) in JSC::B3::(anonymous namespace)::Validater::validatePhisAreDominatedByUpsilons() 2021-08-05 15:40:06 -0700 1 1 1 Unclassified WebKit JavaScriptCore Other Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ryanhaddad rmorisset ews-watchlist ggaren keith_miller mark.lam msaboff saam tzagallo webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1782306 0 ryanhaddad 2021-08-05 12:27:22 -0700 testb3 is failing on JSC debug bots, I see the following assertion failure in the logs: ASSERTION FAILED: !undominatedPhis.contains(value) ./b3/B3Validate.cpp(680) : void JSC::B3::(anonymous namespace)::Validater::validatePhisAreDominatedByUpsilons() I think it may have started with https://trac.webkit.org/changeset/280507/webkit according to https://results.webkit.org/?suite=javascriptcore-tests&test=testb3 1782307 1 webkit-bug-importer 2021-08-05 12:27:51 -0700 <rdar://problem/81579314> 1782308 2 ryanhaddad 2021-08-05 12:28:16 -0700 Example of failure: https://build.webkit.org/#/builders/100/builds/658/steps/10/logs/stdio 1782347 3 435028 rmorisset 2021-08-05 14:55:59 -0700 Created attachment 435028 Patch 1782349 4 435028 ggaren 2021-08-05 14:58:10 -0700 Comment on attachment 435028 Patch r=me 1782374 5 ews-feeder 2021-08-05 15:40:04 -0700 Committed r280704 (240300@main): <https://commits.webkit.org/240300@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 435028. 435028 2021-08-05 14:55:59 -0700 2021-08-05 15:40:05 -0700 Patch patch228838 text/plain 2026 rmorisset ZGlmZiAtLWdpdCBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cgYi9Tb3VyY2UvSmF2 YVNjcmlwdENvcmUvQ2hhbmdlTG9nCmluZGV4IGY5MTU5MGZlNmMxYy4uYjBlODQxMWJkYzhmIDEw MDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENvcmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9K YXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEsMyArMSwyMSBAQAorMjAyMS0wOC0wNSAgUm9i aW4gTW9yaXNzZXQgIDxybW9yaXNzZXRAYXBwbGUuY29tPgorCisgICAgICAgIFJFR1JFU1NJT04g KHIyODA1MDcpOiBBU1NFUlRJT04gRkFJTEVEOiAhdW5kb21pbmF0ZWRQaGlzLmNvbnRhaW5zKHZh bHVlKSBpbiBKU0M6OkIzOjooYW5vbnltb3VzIG5hbWVzcGFjZSk6OlZhbGlkYXRlcjo6dmFsaWRh dGVQaGlzQXJlRG9taW5hdGVkQnlVcHNpbG9ucygpCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJr aXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMjg4MzgKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzgx NTc5MzE0PgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAg IFdoZW4gSSBhZGRlZCB2YWxpZGF0aW9uIG9mIHRoZSBkb21pbmFuY2Ugb2YgUGhpcyBieSB0aGVp ciBVcHNpbG9ucywgSSBjaGVja2VkIHR3byB0aGluZ3M6CisgICAgICAgIC0gVGhlcmUgaXMgbm8g cGF0aCBmcm9tIHRoZSBlbnRyeSBwb2ludCB0byBhIFBoaSB3aXRob3V0IGdvaW5nIHRocm91Z2gg YSBjb3JyZXNwb25kaW5nIFVwc2lsb24gKHRoZSBhY3R1YWwgZG9taW5hbmNlIGNoZWNrKQorICAg ICAgICAtIFRoZXJlIGlzIG5vIHdheSB0byBleGVjdXRlIGEgUGhpIHR3aWNlIHdpdGhvdXQgZ29p bmcgdGhyb3VnaCBhIGNvcnJlc3BvbmRpbmcgVXBzaWxvbiBpbiBiZXR3ZWVuCisgICAgICAgIFRo ZSBzZWNvbmQgcHJvcGVydHkgaXMgbm90IGFjdHVhbGx5IHRydWUgaW4gQjMgSVIsIEkgaGFkIG1p c3VuZGVyc3Rvb2QgdGhhdCBwYXJ0IG9mIHRoZSBtZWFuaW5nIG9mIFBoaXMvVXBzaWxvbnMuCisg ICAgICAgIFNvIHRoaXMgcGF0Y2gganVzdCByZW1vdmVzIHRoaXMgc2Vjb25kIGNoZWNrLgorCisg ICAgICAgIEl0IGhhcyBubyBzZWN1cml0eS9zdGFiaWxpdHkvcGVyZm9ybWFuY2UgaW1wbGljYXRp b246IHRoaXMgaXMgdmFsaWRhdGlvbiBjb2RlLCB3aGljaCBydW5zIGF1dG9tYXRpY2FsbHkgaW4g ZGVidWcgbW9kZSwgYnV0IHNob3VsZCBub3QgcnVuIGF0IGFsbCBvbiBjdXN0b21lciBtYWNoaW5l cy4KKworICAgICAgICAqIGIzL0IzVmFsaWRhdGUuY3BwOgorCiAyMDIxLTA4LTAyICBZdXN1a2Ug U3V6dWtpICA8eXN1enVraUBhcHBsZS5jb20+CiAKICAgICAgICAgW0pTQ10gWWFyciBzaG91bGQg dXNlIEJpdG1hcCBpbnN0ZWFkIG9mIEJ5dGVWZWN0b3IgZm9yIEJveWVyTW9vcmUgc2VhcmNoCmRp ZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlwdENvcmUvYjMvQjNWYWxpZGF0ZS5jcHAgYi9Tb3Vy Y2UvSmF2YVNjcmlwdENvcmUvYjMvQjNWYWxpZGF0ZS5jcHAKaW5kZXggZjMyMWY2Y2M3MGMxLi41 MThmOThjOGJkMGIgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9iMy9CM1ZhbGlk YXRlLmNwcAorKysgYi9Tb3VyY2UvSmF2YVNjcmlwdENvcmUvYjMvQjNWYWxpZGF0ZS5jcHAKQEAg LTY3Nyw3ICs2NzcsNiBAQCBwcml2YXRlOgogICAgICAgICAgICAgICAgICAgICAgICAgdW5kb21p bmF0ZWRQaGlzLnJlbW92ZSh2YWx1ZS0+YXM8VXBzaWxvblZhbHVlPigpLT5waGkoKSk7CiAgICAg ICAgICAgICAgICAgICAgICAgICBicmVhazsKICAgICAgICAgICAgICAgICAgICAgY2FzZSBQaGk6 Ci0gICAgICAgICAgICAgICAgICAgICAgICBWQUxJREFURSghdW5kb21pbmF0ZWRQaGlzLmNvbnRh aW5zKHZhbHVlKSwgKCJBdCAiLCAqdmFsdWUpKTsKICAgICAgICAgICAgICAgICAgICAgICAgIHVu ZG9taW5hdGVkUGhpcy5hZGQodmFsdWUpOwogICAgICAgICAgICAgICAgICAgICAgICAgYnJlYWs7 CiAgICAgICAgICAgICAgICAgICAgIGRlZmF1bHQ6Cg==