Regression from 0.0.62 to 0.0.67

[ovatsus]

When generating the reference docs for FSharp.Data, I get this error:

System.Exception: No compiled representation for provided erased type
   at Microsoft.FSharp.Compiler.Tast.Entity.get_CompiledRepresentation() in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\tast.fs:line 889
   at Microsoft.FSharp.Compiler.SourceCodeServices.FSharpEntity.get_TryFullName() in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\vs\Symbols.fs:line 197
   at FSharp.MetadataFormat.Reader.getXmlDocSigForType(FSharpEntity typ) in D:\code\FSharp.Formatting\src\FSharp.MetadataFormat\Main.fs:line 556
   at FSharp.MetadataFormat.Reader.readType(ReadingContext ctx, FSharpEntity typ) in D:\code\FSharp.Formatting\src\FSharp.MetadataFormat\Main.fs:line 673
   at Microsoft.FSharp.Collections.IEnumerator.choose@154.System-Collections-IEnumerator-MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[T](IEnumerable`1 source)
   at FSharp.MetadataFormat.Reader.readModulesAndTypes(ReadingContext ctx, IEnumerable`1 entities) in D:\code\FSharp.Formatting\src\FSharp.MetadataFormat\Main.fs:line 669
   at FSharp.MetadataFormat.Reader.readNamespace(ReadingContext ctx, String ns, IEnumerable`1 entities) in D:\code\FSharp.Formatting\src\FSharp.MetadataFormat\Main.fs:line 744
   at [email protected](b& )
>    at Microsoft.FSharp.Collections.IEnumerator.MapEnumerator`1.System-Collections-IEnumerator-MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[T](IEnumerable`1 source)
   at FSharp.MetadataFormat.Reader.readAssembly(FSharpAssembly assembly, Boolean publicOnly, String xmlFile, FSharpOption`1 sourceFolderRepo, FSharpFunc`2 urlRangeHighlight, Boolean markDownComments) in D:\code\FSharp.Formatting\src\FSharp.MetadataFormat\Main.fs:line 763
   at <StartupCode$FSharp-MetadataFormat>[email protected](IEnumerable`1& next) in D:\code\FSharp.Formatting\src\FSharp.MetadataFormat\Main.fs:line 0
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1.MoveNextImpl()
   at Microsoft.FSharp.Collections.SeqModule.ToList[T](IEnumerable`1 source)
   at FSharp.MetadataFormat.MetadataFormat.Generate(FSharpList`1 dllFiles, String outDir, IEnumerable`1 layoutRoots, FSharpOption`1 parameters, FSharpOption`1 namespaceTemplate, FSharpOption`1 moduleTemplate, FSharpOption`1 typeTemplate, FSharpOption`1 xmlFile, FSharpOption`1 sourceRepo, FSharpOption`1 sourceFolder, FSharpOption`1 publicOnly, FSharpOption`1 libDirs, FSharpOption`1 otherFlags, FSharpOption`1 markDownComments, FSharpOption`1 urlRangeHighlight) in D:\code\FSharp.Formatting\src\FSharp.MetadataFormat\Main.fs:line 875
   at <StartupCode$FSI_0004>.$FSI_0004.main@()

[dungpa]

The regression starts showing in this commit fsprojects/FSharp.Formatting@b8d3bde.

A quick fix is to put try/with around TryFullName until it is fixed here and FSharp.Formatting moves to FCS 0.0.7x (including API changes).

[ovatsus]

Applied the workaround to Fsharp.Formatting