Hello,
thanks for the report! I have updated to VS 15.8.3 but haven't encountered this error yet even on projects using older versions of WS 4.x. Maybe this happens around just some of the method calls using byrefs.
There is a newer release of FSharp.Compiler.Service that WebSharper currently uses, and that should have the 4.5 language features covered, hopefully solving this problem. I will update to it and release it soon.
Hi folks,
The build proceeds nicely with the very latest WS libraries. We appreciate your super-quick response. I also saw the FSharpEntity.IsByRef issue you kindly raised, András. Thank you very much.
Rob
Is there a GH ticket for that to watch?
Here https://github.com/dotnet-websharper/core/issues/1022
This is turning out to be more complicated than I hoped because of higher dependencies and causing build errors with FAKE.
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Our WebSharper application builds OK with Visual Studio (VS) 15.7.x but when upgrading to VS 15.8.x we see this problem when building in release mode...
WebSharper error FS9001 : Global error 'destByrefTy: not a byref type' at
at Microsoft.FSharp.Compiler.Tastops.destByrefTy(TcGlobals g, TType ty)
at Microsoft.FSharp.Compiler.IlxGen.GenGetByref(cenv cenv, CodeGenBuffer cgbuf, IlxGenEnv eenv, ValRef v, range m, sequel sequel)
at Microsoft.FSharp.Compiler.IlxGen.GenBindingAfterSequencePoint(cenv cenv, CodeGenBuffer cgbuf, IlxGenEnv eenv, EmitSequence PointState sp, Binding arg8, FSharpOption`1 startScopeMarkOpt) at Microsoft.FSharp.Compiler.IlxGen.GenExpr(cenv cenv, CodeGenBuffer cgbuf, IlxGenEnv eenv, EmitSequencePointState sp, Expr expr, sequel sequel)
at Microsoft.FSharp.Compiler.IlxGen.GenBindingAfterSequencePoint(cenv cenv, CodeGenBuffer cgbuf, IlxGenEnv eenv, EmitSequencePointState sp, Binding arg8, FSharpOption`1 startScopeMarkOpt)
at ...
From this link it looks like F# language has been upgraded to version 4.5 in the VS 15.8 release...
https://docs.microsoft.com/en-us/visualstudio/releasenotes/vs2017-relnotes#fsharp
Do you also see WebSharper issues using the very latest version of Visual Studio compilers?
We are using the following package versions...
WebSharper - 4.5.1.304 WebSharper.AspNetCore - 4.5.0.87 WebSharper.FSharp - 4.5.1.304 WebSharper.GlMatrix - 4.5.0.126 WebSharper.Owin - 4.5.0.135 WebSharper.UI - 4.5.1.141