151445 2015-11-19 09:35:06 -0800 JIT snippet generator JumpLists should be returned as references. 2015-11-20 02:38:57 -0800 1 1 1 Unclassified WebKit JavaScriptCore WebKit Local Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 mark.lam mark.lam commit-queue keith_miller msaboff ossy saam oldest_to_newest 1143302 0 mark.lam 2015-11-19 09:35:06 -0800 The JumpLists were being returned by value. As a result, new jumps added to them in the client are actually added to a temporary copy and promptly discarded. Those jumps never get linked, resulting in infinite loops in DFG generated code that used the snippets. 1143304 1 265866 mark.lam 2015-11-19 09:37:47 -0800 Created attachment 265866 proposed patch. 1143317 2 ossy 2015-11-19 09:54:17 -0800 I started tests with this patch applied on the ARMv7 Thumb2 bot: https://build.webkit.org/builders/EFL%20Linux%20ARMv7%20Thumb2%20Release/builds/16224 It will finish testing in 40-45 minutes, let's see the results. 1143322 3 mark.lam 2015-11-19 10:01:07 -0800 Thanks for the review. Landed in r192632: <http://trac.webkit.org/r192632>. 1143608 4 ossy 2015-11-20 02:38:57 -0800 *** Bug 151440 has been marked as a duplicate of this bug. *** 265866 2015-11-19 09:37:47 -0800 2015-11-19 09:55:24 -0800 proposed patch. bug-151445.patch text/plain 3394 mark.lam SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMTkyNjI3KQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDI1IEBA CisyMDE1LTExLTE5ICBNYXJrIExhbSAgPG1hcmsubGFtQGFwcGxlLmNvbT4KKworICAgICAgICBK SVQgc25pcHBldCBnZW5lcmF0b3IgSnVtcExpc3RzIHNob3VsZCBiZSByZXR1cm5lZCBhcyByZWZl cmVuY2VzLgorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9 MTUxNDQ1CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAg VGhlIEp1bXBMaXN0cyB3ZXJlIGJlaW5nIHJldHVybmVkIGJ5IHZhbHVlLiAgQXMgYSByZXN1bHQs IG5ldyBqdW1wcyBhZGRlZCB0bworICAgICAgICB0aGVtIGluIHRoZSBjbGllbnQgYXJlIGFjdHVh bGx5IGFkZGVkIHRvIGEgdGVtcG9yYXJ5IGNvcHkgYW5kIHByb21wdGx5IGRpc2NhcmRlZC4KKyAg ICAgICAgVGhvc2UganVtcHMgbmV2ZXIgZ2V0IGxpbmtlZCwgcmVzdWx0aW5nIGluIGluZmluaXRl IGxvb3BzIGluIERGRyBnZW5lcmF0ZWQgY29kZQorICAgICAgICB0aGF0IHVzZWQgdGhlIHNuaXBw ZXRzLgorCisgICAgICAgICogaml0L0pJVEFkZEdlbmVyYXRvci5oOgorICAgICAgICAoSlNDOjpK SVRBZGRHZW5lcmF0b3I6OmVuZEp1bXBMaXN0KToKKyAgICAgICAgKEpTQzo6SklUQWRkR2VuZXJh dG9yOjpzbG93UGF0aEp1bXBMaXN0KToKKyAgICAgICAgKiBqaXQvSklUTXVsR2VuZXJhdG9yLmg6 CisgICAgICAgIChKU0M6OkpJVE11bEdlbmVyYXRvcjo6ZW5kSnVtcExpc3QpOgorICAgICAgICAo SlNDOjpKSVRNdWxHZW5lcmF0b3I6OnNsb3dQYXRoSnVtcExpc3QpOgorICAgICAgICAqIGppdC9K SVRTdWJHZW5lcmF0b3IuaDoKKyAgICAgICAgKEpTQzo6SklUU3ViR2VuZXJhdG9yOjplbmRKdW1w TGlzdCk6CisgICAgICAgIChKU0M6OkpJVFN1YkdlbmVyYXRvcjo6c2xvd1BhdGhKdW1wTGlzdCk6 CisKIDIwMTUtMTEtMTkgIENzYWJhIE9zenRyb2dvbsOhYyAgPG9zc3lAd2Via2l0Lm9yZz4KIAog ICAgICAgICBVbnJldmlld2VkIENMT09QIGJ1aWxkZml4IGFmdGVyIHIxOTI2MjQuCkluZGV4OiBT b3VyY2UvSmF2YVNjcmlwdENvcmUvaml0L0pJVEFkZEdlbmVyYXRvci5oCj09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0t IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9qaXQvSklUQWRkR2VuZXJhdG9yLmgJKHJldmlzaW9uIDE5 MjYyNykKKysrIFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9qaXQvSklUQWRkR2VuZXJhdG9yLmgJKHdv cmtpbmcgY29weSkKQEAgLTU5LDggKzU5LDggQEAgcHVibGljOgogICAgIHZvaWQgZ2VuZXJhdGVG YXN0UGF0aChDQ2FsbEhlbHBlcnMmKTsKIAogICAgIGJvb2wgZGlkRW1pdEZhc3RQYXRoKCkgY29u c3QgeyByZXR1cm4gbV9kaWRFbWl0RmFzdFBhdGg7IH0KLSAgICBDQ2FsbEhlbHBlcnM6Okp1bXBM aXN0IGVuZEp1bXBMaXN0KCkgeyByZXR1cm4gbV9lbmRKdW1wTGlzdDsgfQotICAgIENDYWxsSGVs cGVyczo6SnVtcExpc3Qgc2xvd1BhdGhKdW1wTGlzdCgpIHsgcmV0dXJuIG1fc2xvd1BhdGhKdW1w TGlzdDsgfQorICAgIENDYWxsSGVscGVyczo6SnVtcExpc3QmIGVuZEp1bXBMaXN0KCkgeyByZXR1 cm4gbV9lbmRKdW1wTGlzdDsgfQorICAgIENDYWxsSGVscGVyczo6SnVtcExpc3QmIHNsb3dQYXRo SnVtcExpc3QoKSB7IHJldHVybiBtX3Nsb3dQYXRoSnVtcExpc3Q7IH0KIAogcHJpdmF0ZToKICAg ICBKU1ZhbHVlUmVncyBtX3Jlc3VsdDsKSW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9qaXQv SklUTXVsR2VuZXJhdG9yLmgKPT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291cmNlL0phdmFTY3JpcHRDb3JlL2pp dC9KSVRNdWxHZW5lcmF0b3IuaAkocmV2aXNpb24gMTkyNjI3KQorKysgU291cmNlL0phdmFTY3Jp cHRDb3JlL2ppdC9KSVRNdWxHZW5lcmF0b3IuaAkod29ya2luZyBjb3B5KQpAQCAtNjAsOCArNjAs OCBAQCBwdWJsaWM6CiAgICAgdm9pZCBnZW5lcmF0ZUZhc3RQYXRoKENDYWxsSGVscGVycyYpOwog CiAgICAgYm9vbCBkaWRFbWl0RmFzdFBhdGgoKSBjb25zdCB7IHJldHVybiBtX2RpZEVtaXRGYXN0 UGF0aDsgfQotICAgIENDYWxsSGVscGVyczo6SnVtcExpc3QgZW5kSnVtcExpc3QoKSB7IHJldHVy biBtX2VuZEp1bXBMaXN0OyB9Ci0gICAgQ0NhbGxIZWxwZXJzOjpKdW1wTGlzdCBzbG93UGF0aEp1 bXBMaXN0KCkgeyByZXR1cm4gbV9zbG93UGF0aEp1bXBMaXN0OyB9CisgICAgQ0NhbGxIZWxwZXJz OjpKdW1wTGlzdCYgZW5kSnVtcExpc3QoKSB7IHJldHVybiBtX2VuZEp1bXBMaXN0OyB9CisgICAg Q0NhbGxIZWxwZXJzOjpKdW1wTGlzdCYgc2xvd1BhdGhKdW1wTGlzdCgpIHsgcmV0dXJuIG1fc2xv d1BhdGhKdW1wTGlzdDsgfQogCiBwcml2YXRlOgogICAgIEpTVmFsdWVSZWdzIG1fcmVzdWx0OwpJ bmRleDogU291cmNlL0phdmFTY3JpcHRDb3JlL2ppdC9KSVRTdWJHZW5lcmF0b3IuaAo9PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09Ci0tLSBTb3VyY2UvSmF2YVNjcmlwdENvcmUvaml0L0pJVFN1YkdlbmVyYXRvci5oCShyZXZp c2lvbiAxOTI2MjcpCisrKyBTb3VyY2UvSmF2YVNjcmlwdENvcmUvaml0L0pJVFN1YkdlbmVyYXRv ci5oCSh3b3JraW5nIGNvcHkpCkBAIC01Miw4ICs1Miw4IEBAIHB1YmxpYzoKICAgICB2b2lkIGdl bmVyYXRlRmFzdFBhdGgoQ0NhbGxIZWxwZXJzJik7CiAKICAgICBib29sIGRpZEVtaXRGYXN0UGF0 aCgpIGNvbnN0IHsgcmV0dXJuIG1fZGlkRW1pdEZhc3RQYXRoOyB9Ci0gICAgQ0NhbGxIZWxwZXJz OjpKdW1wTGlzdCBlbmRKdW1wTGlzdCgpIHsgcmV0dXJuIG1fZW5kSnVtcExpc3Q7IH0KLSAgICBD Q2FsbEhlbHBlcnM6Okp1bXBMaXN0IHNsb3dQYXRoSnVtcExpc3QoKSB7IHJldHVybiBtX3Nsb3dQ YXRoSnVtcExpc3Q7IH0KKyAgICBDQ2FsbEhlbHBlcnM6Okp1bXBMaXN0JiBlbmRKdW1wTGlzdCgp IHsgcmV0dXJuIG1fZW5kSnVtcExpc3Q7IH0KKyAgICBDQ2FsbEhlbHBlcnM6Okp1bXBMaXN0JiBz bG93UGF0aEp1bXBMaXN0KCkgeyByZXR1cm4gbV9zbG93UGF0aEp1bXBMaXN0OyB9CiAKIHByaXZh dGU6CiAgICAgSlNWYWx1ZVJlZ3MgbV9yZXN1bHQ7Cg==