Bug 234498

Summary:

[Win] MSVC reports "COMPropertyBag.h(233): error C2385: ambiguous access of 'IUnknown'" with /std:c++20

Product:

WebKit

Reporter:

Fujii Hironori <fujii.hironori>

Component:

WebKit Misc.

Assignee:

Fujii Hironori <fujii.hironori>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

don.olmstead, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Bug Depends on:

Bug Blocks:

233448

Attachments:

Description	Flags
Patch	none

Fujii Hironori

Reported 2021-12-19 20:32:41 PST

[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

Attachments
Patch (1.93 KB, patch) 2021-12-19 20:39 PST, Fujii Hironori	no flags	Details Formatted Diff Diff
View All Add attachment proposed patch, testcase, etc.

Fujii Hironori

Comment 1 2021-12-19 20:39:35 PST

Created attachment 447575 [details] Patch

EWS

Comment 2 2021-12-20 12:20:52 PST

Committed r287272 (245428@main): <https://commits.webkit.org/245428@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 447575 [details].

Radar WebKit Bug Importer

Comment 3 2021-12-20 12:21:16 PST

<rdar://problem/86735423>

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