229526 2021-08-25 15:47:46 -0700 REGRESSION(r281513?): [ JSC Catalina+ Debug ] 16 stress/intl-enumeration.js (JSC Tests) are flaky failing 2021-08-25 17:43:25 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 jenner ysuzuki ews-watchlist keith_miller mark.lam msaboff saam tzagallo webkit-bot-watchers-bugzilla webkit-bug-importer ysuzuki oldest_to_newest 1787360 0 jenner 2021-08-25 15:47:46 -0700 It looks like the tests were added here: https://trac.webkit.org/changeset/281513/webkit and have been flaky failing with the following assertion ever since: ASSERTION FAILED: !m_needExceptionCheck stress/intl-enumeration.js.bytecode-cache: ./runtime/VM.cpp(1485) : void JSC::VM::verifyExceptionCheckNeedIsSatisfied(unsigned int, JSC::ExceptionEventLocation &) Build: https://build.webkit.org/#/builders/100/builds/742 In their history it does appear that they all fail at the same intervals as well: https://results.webkit.org/?suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&test=stress%2Fintl-enumeration.js.dfg-eager&test=stress%2Fintl-enumeration.js.dfg-eager-no-cjit-validate&test=stress%2Fintl-enumeration.js.eager-jettison-no-cjit&test=stress%2Fintl-enumeration.js.ftl-eager&test=stress%2Fintl-enumeration.js.ftl-eager-no-cjit&test=stress%2Fintl-enumeration.js.ftl-eager-no-cjit-b3o1&test=stress%2Fintl-enumeration.js.ftl-no-cjit-b3o0&test=stress%2Fintl-enumeration.js.ftl-no-cjit-no-inline-validate&test=stress%2Fintl-enumeration.js.ftl-no-cjit-no-put-stack-validate&test=stress%2Fintl-enumeration.js.ftl-no-cjit-small-pool&test=stress%2Fintl-enumeration.js.ftl-no-cjit-validate-sampling-profiler&test=stress%2Fintl-enumeration.js.mini-mode&test=stress%2Fintl-enumeration.js.no-cjit-validate-phases&test=stress%2Fintl-enumeration.js.no-ftl&test=stress%2Fintl-enumeration.js.no-llint&test=stress%2Fmap-iteration-oas.js.default&style=debug 1787361 1 webkit-bug-importer 2021-08-25 15:48:11 -0700 <rdar://problem/82361685> 1787384 2 436440 ysuzuki 2021-08-25 16:48:01 -0700 Created attachment 436440 Patch 1787387 3 436440 mark.lam 2021-08-25 16:51:17 -0700 Comment on attachment 436440 Patch r=me 1787392 4 436440 ysuzuki 2021-08-25 17:16:02 -0700 Comment on attachment 436440 Patch Landing since it only affects on debug jsc stress tests, which does not exist in EWS 1787406 5 ews-feeder 2021-08-25 17:43:23 -0700 Committed r281607 (240965@main): <https://commits.webkit.org/240965@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 436440. 436440 2021-08-25 16:48:01 -0700 2021-08-25 17:43:24 -0700 Patch bug-229526-20210825164800.patch text/plain 3261 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjgxNTk5CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCA2 ZTBjMWFlZmY1YmVmMTYyMjY0ZDdiMTNlMjRiNWY2NDJhNmY3ZjM5Li4xNDg1YWI2ZGNmYTViYjI1 ODIyNzdjMjFhNTM5ODcxNzkxMTYzZmZlIDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwxOSBAQAorMjAyMS0wOC0yNSAgWXVzdWtlIFN1enVraSAgPHlzdXp1a2lAYXBwbGUuY29t PgorCisgICAgICAgIFJFR1JFU1NJT04ocjI4MTUxMz8pOiBbIEpTQyBDYXRhbGluYSsgRGVidWcg XSAxNiBzdHJlc3MvaW50bC1lbnVtZXJhdGlvbi5qcyAoSlNDIFRlc3RzKSBhcmUgZmxha3kgZmFp bGluZworICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjI5 NTI2CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgRml4 IGRlYnVnIEpTQyB0ZXN0IGZhaWx1cmVzIGJ5IHVzaW5nIFJFTEVBU0VfQU5EX1JFVFVSTi4KKwor ICAgICAgICAqIHJ1bnRpbWUvSW50bE9iamVjdC5jcHA6CisgICAgICAgIChKU0M6OmF2YWlsYWJs ZUNhbGVuZGFycyk6CisgICAgICAgIChKU0M6OmF2YWlsYWJsZUNvbGxhdGlvbnMpOgorICAgICAg ICAoSlNDOjphdmFpbGFibGVDdXJyZW5jaWVzKToKKyAgICAgICAgKEpTQzo6YXZhaWxhYmxlTnVt YmVyaW5nU3lzdGVtcyk6CisgICAgICAgIChKU0M6OmF2YWlsYWJsZVRpbWVab25lcyk6CisKIDIw MjEtMDgtMjUgIFlpamlhIEh1YW5nICA8eWlqaWFfaHVhbmdAYXBwbGUuY29tPgogCiAgICAgICAg IFtBUk02NF0gRml4IHByZS1pbmRleCBhZGRyZXNzIG1vZGUKZGlmZiAtLWdpdCBhL1NvdXJjZS9K YXZhU2NyaXB0Q29yZS9ydW50aW1lL0ludGxPYmplY3QuY3BwIGIvU291cmNlL0phdmFTY3JpcHRD b3JlL3J1bnRpbWUvSW50bE9iamVjdC5jcHAKaW5kZXggZDVjMjZhZmQ1YjQ5YmI0YjZmYjUwMGM3 YzA3YWQ4NmJkN2M1ZjkwYS4uN2YxNjNjNjBmZDA4YjNlNGY4YzU2YzQwZWVhZmVlMGQ5MWMyMTkx NSAxMDA2NDQKLS0tIGEvU291cmNlL0phdmFTY3JpcHRDb3JlL3J1bnRpbWUvSW50bE9iamVjdC5j cHAKKysrIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL3J1bnRpbWUvSW50bE9iamVjdC5jcHAKQEAg LTE2MTYsNyArMTYxNiw3IEBAIHN0YXRpYyBKU0FycmF5KiBhdmFpbGFibGVDYWxlbmRhcnMoSlNH bG9iYWxPYmplY3QqIGdsb2JhbE9iamVjdCkKICAgICAgICAgICAgIHJldHVybiBXVEY6OmNvZGVQ b2ludENvbXBhcmUoYSwgYikgPCAwOwogICAgICAgICB9KTsKIAotICAgIHJldHVybiBjcmVhdGVB cnJheUZyb21TdHJpbmdWZWN0b3IoZ2xvYmFsT2JqZWN0LCBXVEZNb3ZlKGVsZW1lbnRzKSk7Cisg ICAgUkVMRUFTRV9BTkRfUkVUVVJOKHNjb3BlLCBjcmVhdGVBcnJheUZyb21TdHJpbmdWZWN0b3Io Z2xvYmFsT2JqZWN0LCBXVEZNb3ZlKGVsZW1lbnRzKSkpOwogfQogCiAvLyBodHRwczovL3RjMzku ZXMvcHJvcG9zYWwtaW50bC1lbnVtZXJhdGlvbi8jc2VjLWF2YWlsYWJsZWNvbGxhdGlvbnMKQEAg LTE2NjMsNyArMTY2Myw3IEBAIHN0YXRpYyBKU0FycmF5KiBhdmFpbGFibGVDb2xsYXRpb25zKEpT R2xvYmFsT2JqZWN0KiBnbG9iYWxPYmplY3QpCiAgICAgICAgICAgICByZXR1cm4gV1RGOjpjb2Rl UG9pbnRDb21wYXJlKGEsIGIpIDwgMDsKICAgICAgICAgfSk7CiAKLSAgICByZXR1cm4gY3JlYXRl QXJyYXlGcm9tU3RyaW5nVmVjdG9yKGdsb2JhbE9iamVjdCwgV1RGTW92ZShlbGVtZW50cykpOwor ICAgIFJFTEVBU0VfQU5EX1JFVFVSTihzY29wZSwgY3JlYXRlQXJyYXlGcm9tU3RyaW5nVmVjdG9y KGdsb2JhbE9iamVjdCwgV1RGTW92ZShlbGVtZW50cykpKTsKIH0KIAogLy8gaHR0cHM6Ly90YzM5 LmVzL3Byb3Bvc2FsLWludGwtZW51bWVyYXRpb24vI3NlYy1hdmFpbGFibGVjdXJyZW5jaWVzCkBA IC0xNzA0LDcgKzE3MDQsNyBAQCBzdGF0aWMgSlNBcnJheSogYXZhaWxhYmxlQ3VycmVuY2llcyhK U0dsb2JhbE9iamVjdCogZ2xvYmFsT2JqZWN0KQogICAgICAgICAgICAgcmV0dXJuIFdURjo6Y29k ZVBvaW50Q29tcGFyZShhLCBiKSA8IDA7CiAgICAgICAgIH0pOwogCi0gICAgcmV0dXJuIGNyZWF0 ZUFycmF5RnJvbVN0cmluZ1ZlY3RvcihnbG9iYWxPYmplY3QsIFdURk1vdmUoZWxlbWVudHMpKTsK KyAgICBSRUxFQVNFX0FORF9SRVRVUk4oc2NvcGUsIGNyZWF0ZUFycmF5RnJvbVN0cmluZ1ZlY3Rv cihnbG9iYWxPYmplY3QsIFdURk1vdmUoZWxlbWVudHMpKSk7CiB9CiAKIC8vIGh0dHBzOi8vdGMz OS5lcy9wcm9wb3NhbC1pbnRsLWVudW1lcmF0aW9uLyNzZWMtYXZhaWxhYmxlbnVtYmVyaW5nc3lz dGVtcwpAQCAtMTc0NSw3ICsxNzQ1LDcgQEAgc3RhdGljIEpTQXJyYXkqIGF2YWlsYWJsZU51bWJl cmluZ1N5c3RlbXMoSlNHbG9iYWxPYmplY3QqIGdsb2JhbE9iamVjdCkKICAgICAgICAgICAgIHJl dHVybiBXVEY6OmNvZGVQb2ludENvbXBhcmUoYSwgYikgPCAwOwogICAgICAgICB9KTsKIAotICAg IHJldHVybiBjcmVhdGVBcnJheUZyb21TdHJpbmdWZWN0b3IoZ2xvYmFsT2JqZWN0LCBXVEZNb3Zl KGVsZW1lbnRzKSk7CisgICAgUkVMRUFTRV9BTkRfUkVUVVJOKHNjb3BlLCBjcmVhdGVBcnJheUZy b21TdHJpbmdWZWN0b3IoZ2xvYmFsT2JqZWN0LCBXVEZNb3ZlKGVsZW1lbnRzKSkpOwogfQogCiAv LyBodHRwczovL3RjMzkuZXMvcHJvcG9zYWwtaW50bC1lbnVtZXJhdGlvbi8jc2VjLWNhbm9uaWNh bGl6ZXRpbWV6b25lbmFtZQpAQCAtMTgwNCw3ICsxODA0LDcgQEAgc3RhdGljIEpTQXJyYXkqIGF2 YWlsYWJsZVRpbWVab25lcyhKU0dsb2JhbE9iamVjdCogZ2xvYmFsT2JqZWN0KQogICAgICAgICAg ICAgcmV0dXJuIFdURjo6Y29kZVBvaW50Q29tcGFyZShhLCBiKSA8IDA7CiAgICAgICAgIH0pOwog Ci0gICAgcmV0dXJuIGNyZWF0ZUFycmF5RnJvbVN0cmluZ1ZlY3RvcihnbG9iYWxPYmplY3QsIFdU Rk1vdmUoZWxlbWVudHMpKTsKKyAgICBSRUxFQVNFX0FORF9SRVRVUk4oc2NvcGUsIGNyZWF0ZUFy cmF5RnJvbVN0cmluZ1ZlY3RvcihnbG9iYWxPYmplY3QsIFdURk1vdmUoZWxlbWVudHMpKSk7CiB9 CiAKIC8vIGh0dHBzOi8vdGMzOS5lcy9wcm9wb3NhbC1pbnRsLWVudW1lcmF0aW9uLyNzZWMtYXZh aWxhYmxldW5pdHMK