171932 2017-05-10 10:49:03 -0700 DumpRenderTree crashed in com.apple.WebCore: std::optional<WTF::MediaTime>::operator-> + 71 :: CRASHING TEST: fullscreen/video-controls-timeline.html : Assertion failed: (initialized()), function operator->, file Optional.h 2017-05-10 15:31:32 -0700 1 1 1 Unclassified WebKit Media WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=168852 InRadar P2 Normal --- 1 mrajca mrajca ap eric.carlson oldest_to_newest 1306912 0 mrajca 2017-05-10 10:49:03 -0700 DumpRenderTree crashed in com.apple.WebCore: std::optional<WTF::MediaTime>::operator-> + 71 :: CRASHING TEST: fullscreen/video-controls-timeline.html : Assertion failed: (initialized()), function operator->, file Optional.h, line N. 1306915 1 309617 mrajca 2017-05-10 10:54:00 -0700 Created attachment 309617 Patch 1306917 2 mrajca 2017-05-10 10:54:28 -0700 <rdar://problem/31020143> 1306922 3 mrajca 2017-05-10 11:15:46 -0700 (This was introduced in r168852). 1306945 4 mrajca 2017-05-10 12:25:27 -0700 https://trac.webkit.org/changeset/216603/webkit 1306955 5 ap 2017-05-10 12:57:56 -0700 I wonder what the observable effect in release was! 309617 2017-05-10 10:54:00 -0700 2017-05-10 11:09:28 -0700 Patch bug-171932-20170510105400.patch text/plain 1470 mrajca U3VidmVyc2lvbiBSZXZpc2lvbjogMjE2NDU5CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggN2FiNjg4MThkZTJmOThh MWJhMDFkOTZlNWU1NGM1MDRmYzAxZjhhOC4uOWU1ZTU5NjZjZGY3MjA2MzI3ZGU1M2YwMWU4Zjc1 NTgxMzFhNzM3MCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE0IEBACisyMDE3LTA1LTEwICBNYXR0 IFJhamNhICA8bXJhamNhQGFwcGxlLmNvbT4KKworICAgICAgICBEdW1wUmVuZGVyVHJlZSBjcmFz aGVkIGluIGNvbS5hcHBsZS5XZWJDb3JlOiBzdGQ6Om9wdGlvbmFsPFdURjo6TWVkaWFUaW1lPjo6 b3BlcmF0b3ItPiArIDcxIDo6IENSQVNISU5HIFRFU1Q6IGZ1bGxzY3JlZW4vdmlkZW8tY29udHJv bHMtdGltZWxpbmUuaHRtbAorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1 Zy5jZ2k/aWQ9MTcxOTMyCisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisK KyAgICAgICAgRXhwbGljaXRseSBpbml0aWFsaXplIG1fcGxheWJhY2tXaXRob3V0VXNlckdlc3R1 cmUgdG8gIk5vbmUiLgorCisgICAgICAgICogaHRtbC9IVE1MTWVkaWFFbGVtZW50Lmg6CisKIDIw MTctMDUtMDggIENocmlzIER1bWV6ICA8Y2R1bWV6QGFwcGxlLmNvbT4KIAogICAgICAgICBEcm9w IG5vbi1zdGFuZGFyZCBkb2N1bWVudC5pbXBsZW1lbnRhdGlvbi5jcmVhdGVDU1NTdHlsZVNoZWV0 KCkgQVBJCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9odG1sL0hUTUxNZWRpYUVsZW1lbnQu aCBiL1NvdXJjZS9XZWJDb3JlL2h0bWwvSFRNTE1lZGlhRWxlbWVudC5oCmluZGV4IDk2ZTBhOTVk Njg4ZTgyYTRlMjcwOThiZTljMTU1NDE1OTY0NDEzMDEuLmI0ZWU5MDkzMTg1ZDhlMjI5MTViYmM1 MWVmYmVmMTYyNGIzYWQxZTYgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJDb3JlL2h0bWwvSFRNTE1l ZGlhRWxlbWVudC5oCisrKyBiL1NvdXJjZS9XZWJDb3JlL2h0bWwvSFRNTE1lZGlhRWxlbWVudC5o CkBAIC0xMDIwLDcgKzEwMjAsNyBAQCBwcml2YXRlOgogICAgIGJvb2wgbV9oYXZlVmlzaWJsZVRl eHRUcmFjayA6IDE7CiAgICAgYm9vbCBtX3Byb2Nlc3NpbmdQcmVmZXJlbmNlQ2hhbmdlIDogMTsK IAotICAgIFBsYXliYWNrV2l0aG91dFVzZXJHZXN0dXJlIG1fcGxheWJhY2tXaXRob3V0VXNlckdl c3R1cmU7CisgICAgUGxheWJhY2tXaXRob3V0VXNlckdlc3R1cmUgbV9wbGF5YmFja1dpdGhvdXRV c2VyR2VzdHVyZSB7IFBsYXliYWNrV2l0aG91dFVzZXJHZXN0dXJlOjpOb25lIH07CiAgICAgc3Rk OjpvcHRpb25hbDxNZWRpYVRpbWU+IG1fcGxheWJhY2tXaXRob3V0VXNlckdlc3R1cmVTdGFydGVk VGltZTsKIAogICAgIFN0cmluZyBtX3N1YnRpdGxlVHJhY2tMYW5ndWFnZTsK