[Webkit-unassigned] [Bug 189987] New: [Win] error C2139: 'WebKit::UpdateInfo': an undefined class is not allowed as an argument to compiler intrinsic type trait '__is_assignable'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=189987

            Bug ID: 189987
           Summary: [Win] error C2139: 'WebKit::UpdateInfo': an undefined
                    class is not allowed as an argument to compiler
                    intrinsic type trait '__is_assignable'
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com

[Win] error C2139: 'WebKit::UpdateInfo': an undefined class is not allowed as an argument to compiler intrinsic type trait '__is_assignable'

Visual Studio 2017 version 15.8.5 can't compile WebKit.

> 37>c:\program files (x86)\microsoft visual studio\2017\professional\vc\tools\msvc\14.15.26726\include\type_traits(912): error C2139: 'WebKit::UpdateInfo': an undefined class is not allowed as an argument to compiler intrinsic type trait '__is_assignable' (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)
> 37>c:\webkit\ga\webkitbuild\debug\derivedsources\webkit\drawingareaproxymessages.h(37): note: see declaration of 'WebKit::UpdateInfo' (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)
> 37>c:\webkit\ga\webkitbuild\debug\derivedsources\webkit\drawingareaproxymessages.h(69): note: see reference to class template instantiation 'std::is_move_assignable<const WebKit::UpdateInfo &>' being compiled (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)
> 37>c:\program files (x86)\microsoft visual studio\2017\professional\vc\tools\msvc\14.15.26726\include\type_traits(912): note: see reference to variable template 'const bool conjunction_v<std::is_move_assignable<unsigned __int64>,std::is_move_assignable<WebKit::UpdateInfo const &> >' being compiled (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)
> 37>c:\program files (x86)\microsoft visual studio\2017\professional\vc\tools\msvc\14.15.26726\include\type_traits(901): error C2139: 'WebKit::UpdateInfo': an undefined class is not allowed as an argument to compiler intrinsic type trait '__is_assignable' (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)
> 37>c:\webkit\ga\webkitbuild\debug\derivedsources\webkit\drawingareaproxymessages.h(37): note: see declaration of 'WebKit::UpdateInfo' (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)
> 37>c:\webkit\ga\webkitbuild\debug\derivedsources\webkit\drawingareaproxymessages.h(69): note: see reference to class template instantiation 'std::is_copy_assignable<const WebKit::UpdateInfo &>' being compiled (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)
> 37>c:\program files (x86)\microsoft visual studio\2017\professional\vc\tools\msvc\14.15.26726\include\type_traits(901): note: see reference to variable template 'const bool conjunction_v<std::is_copy_assignable<unsigned __int64>,std::is_copy_assignable<WebKit::UpdateInfo const &> >' being compiled (compiling source file C:\webkit\ga\Source\WebKit\UIProcess\AcceleratedDrawingAreaProxy.cpp)

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