220399 2021-01-06 22:30:08 -0800 Fix a dataMemoryTempRegister use violation in FTLLowerDFGToB3's compileLoopHint(). 2021-01-06 23:53:16 -0800 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 mark.lam mark.lam ews-watchlist keith_miller msaboff saam tzagallo webkit-bug-importer ysuzuki oldest_to_newest 1717865 0 mark.lam 2021-01-06 22:30:08 -0800 This was tripping an assertion failure on the invalid use of the dataMemoryTempRegister during a Debug build JSC stress test run with DoesGC validation enabled. 1717867 1 417155 mark.lam 2021-01-06 22:39:29 -0800 Created attachment 417155 proposed patch. 1717871 2 417155 ysuzuki 2021-01-06 22:44:15 -0800 Comment on attachment 417155 proposed patch. r=me 1717881 3 417155 mark.lam 2021-01-06 23:48:39 -0800 Comment on attachment 417155 proposed patch. Thanks for the review. Landing now. 1717882 4 ews-feeder 2021-01-06 23:53:00 -0800 Committed r271226: <https://trac.webkit.org/changeset/271226> All reviewed patches have been landed. Closing bug and clearing flags on attachment 417155. 1717883 5 webkit-bug-importer 2021-01-06 23:53:16 -0800 <rdar://problem/72880074> 417155 2021-01-06 22:39:29 -0800 2021-01-06 23:53:01 -0800 proposed patch. bug-220399.patch text/plain 1904 mark.lam SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMjcxMjI0KQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE2IEBA CisyMDIxLTAxLTA2ICBNYXJrIExhbSAgPG1hcmsubGFtQGFwcGxlLmNvbT4KKworICAgICAgICBG aXggYSBkYXRhTWVtb3J5VGVtcFJlZ2lzdGVyIHVzZSB2aW9sYXRpb24gaW4gRlRMTG93ZXJERkdU b0IzJ3MgY29tcGlsZUxvb3BIaW50KCkuCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3Jn L3Nob3dfYnVnLmNnaT9pZD0yMjAzOTkKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9P UFMhKS4KKworICAgICAgICBUaGlzIHdhcyB0cmlwcGluZyBhbiBhc3NlcnRpb24gZmFpbHVyZSBv biB0aGUgaW52YWxpZCB1c2Ugb2YgdGhlIGRhdGFNZW1vcnlUZW1wUmVnaXN0ZXIKKyAgICAgICAg ZHVyaW5nIGEgRGVidWcgYnVpbGQgSlNDIHN0cmVzcyB0ZXN0IHJ1biB3aXRoIERvZXNHQyB2YWxp ZGF0aW9uIGVuYWJsZWQuCisKKyAgICAgICAgKiBmdGwvRlRMTG93ZXJERkdUb0IzLmNwcDoKKyAg ICAgICAgKEpTQzo6RlRMOjpERkc6Okxvd2VyREZHVG9CMzo6Y29tcGlsZUxvb3BIaW50KToKKwog MjAyMS0wMS0wNiAgWXVzdWtlIFN1enVraSAgPHlzdXp1a2lAYXBwbGUuY29tPgogCiAgICAgICAg IFtKU0NdIERhdGVUaW1lRm9ybWF0I2Zvcm1hdFJhbmdlIHNob3VsZCBnZW5lcmF0ZSB0aGUgc2Ft ZSBvdXRwdXQgdG8gRGF0ZVRpbWVGb3JtYXQjZm9ybWF0IGlmIHN0YXJ0RGF0ZSBhbmQgZW5kRGF0 ZSBhcmUgInByYWN0aWNhbGx5LWVxdWFsIgpJbmRleDogU291cmNlL0phdmFTY3JpcHRDb3JlL2Z0 bC9GVExMb3dlckRGR1RvQjMuY3BwCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFNvdXJjZS9KYXZhU2NyaXB0Q29y ZS9mdGwvRlRMTG93ZXJERkdUb0IzLmNwcAkocmV2aXNpb24gMjcxMjIyKQorKysgU291cmNlL0ph dmFTY3JpcHRDb3JlL2Z0bC9GVExMb3dlckRGR1RvQjMuY3BwCSh3b3JraW5nIGNvcHkpCkBAIC0x NTA3MCw3ICsxNTA3MCw4IEBAIHByaXZhdGU6CiAgICAgICAgICAgICAgICAgaWYgKE9wdGlvbnM6 OnZhbGlkYXRlRG9lc0dDKCkpIHsKICAgICAgICAgICAgICAgICAgICAgLy8gV2UgbmVlZCB0byBt b2NrIHdoYXQgYSBSZXR1cm4gZG9lczogY2xhaW1zIHRvIEdDLgogICAgICAgICAgICAgICAgICAg ICBqaXQubW92ZShDQ2FsbEhlbHBlcnM6OlRydXN0ZWRJbW1QdHIodm0tPmhlYXAuYWRkcmVzc09m RG9lc0dDKCkpLCBHUFJJbmZvOjpyZWdUMCk7Ci0gICAgICAgICAgICAgICAgICAgIGppdC5zdG9y ZTMyKENDYWxsSGVscGVyczo6VHJ1c3RlZEltbTMyKERvZXNHQ0NoZWNrOjplbmNvZGUodHJ1ZSwg RG9lc0dDQ2hlY2s6OlNwZWNpYWw6OlVuaW5pdGlhbGl6ZWQpKSwgQ0NhbGxIZWxwZXJzOjpBZGRy ZXNzKEdQUkluZm86OnJlZ1QwKSk7CisgICAgICAgICAgICAgICAgICAgIGppdC5tb3ZlKENDYWxs SGVscGVyczo6VHJ1c3RlZEltbTMyKERvZXNHQ0NoZWNrOjplbmNvZGUodHJ1ZSwgRG9lc0dDQ2hl Y2s6OlNwZWNpYWw6OlVuaW5pdGlhbGl6ZWQpKSwgR1BSSW5mbzo6cmVnVDEpOworICAgICAgICAg ICAgICAgICAgICBqaXQuc3RvcmUzMihHUFJJbmZvOjpyZWdUMSwgQ0NhbGxIZWxwZXJzOjpBZGRy ZXNzKEdQUkluZm86OnJlZ1QwKSk7CiAgICAgICAgICAgICAgICAgfQogICAgICAgICAgICAgfQog ICAgICAgICAgICAgcmVzdG9yZSgpOwo=