234498 2021-12-19 20:32:41 -0800 [Win] MSVC reports "COMPropertyBag.h(233): error C2385: ambiguous access of 'IUnknown'" with /std:c++20 2021-12-20 12:21:16 -0800 1 1 1 Unclassified WebKit WebKit Misc. WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 233448 1 fujii fujii don.olmstead webkit-bug-importer oldest_to_newest 1825520 0 fujii 2021-12-19 20:32:41 -0800 [Win] MSVC reports "COMPropertyBag.h(233): error C2385: ambiguous access of 'IUnknown'" with /std:c++20 > C:\home\webkit\gc\Source\WebKitLegacy\win\COMPropertyBag.h(233): error C2385: ambiguous access of 'IUnknown' This problem has been reported in the following ticket, and it has a workaround. error C2385: ambiguous access of 'IUnknown' referring to common base class in VS2017.7 Preview 3 - Visual Studio Feedback https://developercommunity.visualstudio.com/t/error-c2385-ambiguous-access-of-iunknown-referring/230955 1825525 1 447575 fujii 2021-12-19 20:39:35 -0800 Created attachment 447575 Patch 1825684 2 ews-feeder 2021-12-20 12:20:52 -0800 Committed r287272 (245428@main): <https://commits.webkit.org/245428@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 447575. 1825685 3 webkit-bug-importer 2021-12-20 12:21:16 -0800 <rdar://problem/86735423> 447575 2021-12-19 20:39:35 -0800 2021-12-20 12:20:53 -0800 Patch bug-234498-20211220133934.patch text/plain 1976 fujii U3VidmVyc2lvbiBSZXZpc2lvbjogMjg3MjUyCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0TGVn YWN5L3dpbi9DaGFuZ2VMb2cgYi9Tb3VyY2UvV2ViS2l0TGVnYWN5L3dpbi9DaGFuZ2VMb2cKaW5k ZXggNDZmYWZlMWZiOWIwNGY3YzBkZGE5M2FlYTlhMGQ3MjMyNjU5MWY4OC4uYmY4ZjI0ZWU5Nzg4 Mzg2MjlmYzc0ZTgwZDJmNmYyMTk4MmE2OTkzZSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYktpdExl Z2FjeS93aW4vQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9XZWJLaXRMZWdhY3kvd2luL0NoYW5nZUxv ZwpAQCAtMSwzICsxLDE5IEBACisyMDIxLTEyLTE5ICBGdWppaSBIaXJvbm9yaSAgPEhpcm9ub3Jp LkZ1amlpQHNvbnkuY29tPgorCisgICAgICAgIFtXaW5dIE1TVkMgcmVwb3J0cyAiQ09NUHJvcGVy dHlCYWcuaCgyMzMpOiBlcnJvciBDMjM4NTogYW1iaWd1b3VzIGFjY2VzcyBvZiAnSVVua25vd24n IiB3aXRoIC9zdGQ6YysrMjAKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19i dWcuY2dpP2lkPTIzNDQ5OAorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgor CisgICAgICAgID4gU291cmNlXFdlYktpdExlZ2FjeVx3aW5cQ09NUHJvcGVydHlCYWcuaCgyMzMp OiBlcnJvciBDMjM4NTogYW1iaWd1b3VzIGFjY2VzcyBvZiAnSVVua25vd24nCisKKyAgICAgICAg VGhpcyBwcm9ibGVtIGhhcyBiZWVuIHJlcG9ydGVkIGluIHRoZSBmb2xsb3dpbmcgdGlja2V0LCBh bmQgaXQgaGFzIGEgd29ya2Fyb3VuZC4KKyAgICAgICAgPGh0dHBzOi8vZGV2ZWxvcGVyY29tbXVu aXR5LnZpc3VhbHN0dWRpby5jb20vdC9lcnJvci1jMjM4NS1hbWJpZ3VvdXMtYWNjZXNzLW9mLWl1 bmtub3duLXJlZmVycmluZy8yMzA5NTU+CisKKyAgICAgICAgKiBDT01Qcm9wZXJ0eUJhZy5oOgor ICAgICAgICAoSGFzaFR5cGU+OjpMb2FkT2JqZWN0KTogQWRkZWQgdGhlIGdsb2JhbCBuYW1lc3Bh Y2UgcHJlZml4ICc6OicgdG8KKyAgICAgICAgSVVua25vd24gZm9yIHRoZSB3b3JrYXJvdW5kLgor CiAyMDIxLTEyLTE5ICBXZW5zb24gSHNpZWggIDx3ZW5zb25faHNpZWhAYXBwbGUuY29tPgogCiAg ICAgICAgIEFkZCBjbGllbnQgbGF5ZXIgcGx1bWJpbmcgZm9yIGNsYXNzaWZ5aW5nIG1vZGFsIGNv bnRhaW5lciBjb250cm9scwpkaWZmIC0tZ2l0IGEvU291cmNlL1dlYktpdExlZ2FjeS93aW4vQ09N UHJvcGVydHlCYWcuaCBiL1NvdXJjZS9XZWJLaXRMZWdhY3kvd2luL0NPTVByb3BlcnR5QmFnLmgK aW5kZXggNDEwN2VhZDRiMmQ4NTA2MzU4MGFlYjBhNjE1ODI2OGUwM2EyYmFmYS4uMGZmNGM2NmY1 Y2I5MjFiZmM4NmJiYjFlMDYxODU2NjhjZWE0NGM4OSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYktp dExlZ2FjeS93aW4vQ09NUHJvcGVydHlCYWcuaAorKysgYi9Tb3VyY2UvV2ViS2l0TGVnYWN5L3dp bi9DT01Qcm9wZXJ0eUJhZy5oCkBAIC0yMzAsNyArMjMwLDcgQEAgSFJFU1VMVCBTVERNRVRIT0RD QUxMVFlQRSBDT01Qcm9wZXJ0eUJhZzxWYWx1ZVR5cGUsIEtleVR5cGUsIEhhc2hUeXBlPjo6R2V0 UHJvcGUKIH0KIAogdGVtcGxhdGU8dHlwZW5hbWUgVmFsdWVUeXBlLCB0eXBlbmFtZSBLZXlUeXBl LCB0eXBlbmFtZSBIYXNoVHlwZT4KLUhSRVNVTFQgU1RETUVUSE9EQ0FMTFRZUEUgQ09NUHJvcGVy dHlCYWc8VmFsdWVUeXBlLCBLZXlUeXBlLCBIYXNoVHlwZT46OkxvYWRPYmplY3QoX0luXyBMUENP TEVTVFIgcHN0ck5hbWUsIERXT1JEIGR3SGludCwgX0luX29wdF8gSVVua25vd24qLCBfSW5fb3B0 XyBJRXJyb3JMb2cqKQorSFJFU1VMVCBTVERNRVRIT0RDQUxMVFlQRSBDT01Qcm9wZXJ0eUJhZzxW YWx1ZVR5cGUsIEtleVR5cGUsIEhhc2hUeXBlPjo6TG9hZE9iamVjdChfSW5fIExQQ09MRVNUUiBw c3RyTmFtZSwgRFdPUkQgZHdIaW50LCBfSW5fb3B0XyA6OklVbmtub3duKiwgX0luX29wdF8gSUVy cm9yTG9nKikKIHsKICAgICByZXR1cm4gRV9OT1RJTVBMOwogfQo=