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StackOverflow in compiler when used in FSAutocomplete/Ionide on large project #17117

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StackOverflow in compiler when used in FSAutocomplete/Ionide on large project#17117
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@forki

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@forki
forki
opened on May 3, 2024

Unfortunately I can't share the code, but we see this StackOverflow on our codebase:

Stack overflow.
   at FSharp.Compiler.SyntaxTreeOps.|SingleIdent|_|(FSharp.Compiler.Syntax.SynExpr)
   at FSharp.Compiler.CheckComputationExpressions+|CustomOpId|_|@525-1.Invoke(FSharp.Compiler.Syntax.SynExpr)
   at FSharp.Compiler.CheckComputationExpressions.JoinOrGroupJoinOp@579(TcFileState, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, FSharp.Compiler.Syntax.SynExpr)
   at FSharp.Compiler.CheckComputationExpressions.|GroupJoinExpr|_|@612(TcFileState, UnscopedTyparEnv, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, FSharp.Compiler.Syntax.SynExpr)
   at FSharp.Compiler.CheckComputationExpressions.|JoinOrGroupJoinOrZipClause|_|@626(TcFileState, UnscopedTyparEnv, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, FSharp.Compiler.Syntax.SynExpr)
   at FSharp.Compiler.CheckComputationExpressions+|ForEachThenJoinOrGroupJoinOrZipClause|_|@655-1.Invoke(FSharp.Compiler.Syntax.SynExpr)
   at FSharp.Compiler.CheckComputationExpressions+tryTrans@797-1.Invoke(Microsoft.FSharp.Core.Unit)
   at FSharp.Compiler.DiagnosticsLogger+StackGuard.Guard[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,System.__Canon>)
   at FSharp.Compiler.CheckComputationExpressions.tryTrans@795(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions.trans@1643-2(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions+tryTrans@797-1.Invoke(Microsoft.FSharp.Core.Unit)
   at FSharp.Compiler.DiagnosticsLogger+StackGuard.Guard[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,System.__Canon>)
   at FSharp.Compiler.CheckComputationExpressions.tryTrans@795(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions.trans@1643-2(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions+tryTrans@797-1.Invoke(Microsoft.FSharp.Core.Unit)
   at FSharp.Compiler.DiagnosticsLogger+StackGuard.Guard[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,System.__Canon>)
   at FSharp.Compiler.CheckComputationExpressions.tryTrans@795(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions.trans@1643-2(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions+tryTrans@797-1.Invoke(Microsoft.FSharp.Core.Unit)
   at FSharp.Compiler.DiagnosticsLogger+StackGuard.Guard[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,System.__Canon>)
   at FSharp.Compiler.CheckComputationExpressions.tryTrans@795(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions.trans@1643-2(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions+tryTrans@797-1.Invoke(Microsoft.FSharp.Core.Unit)
   at FSharp.Compiler.DiagnosticsLogger+StackGuard.Guard[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,System.__Canon>)
   at FSharp.Compiler.CheckComputationExpressions.tryTrans@795(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions.trans@1643-2(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, CompExprTranslationPass, CustomOperationsMode, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, FSharp.Compiler.Syntax.SynExpr, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.SynExpr,FSharp.Compiler.Syntax.SynExpr>)
   at FSharp.Compiler.CheckComputationExpressions.transNoQueryOps@1640(TcFileState, UnscopedTyparEnv, FSharp.Compiler.Text.Range, FSharp.Compiler.Syntax.SynExpr, TType, TcGlobals, AccessorDomain, System.String, Boolean, Microsoft.FSharp.Collections.FSharpList`1<MethInfo>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, System.Collections.Generic.IDictionary`2<System.String,Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`8<System.String,Boolean,Boolean,Boolean,Boolean,Boolean,Boolean,System.Tuple`2<Microsoft.FSharp.Core.FSharpOption`1<System.String>,MethInfo>>>>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, Microsoft.FSharp.Core.FSharpFunc`2<FSharp.Compiler.Syntax.Ident,Boolean>, TcEnv, Internal.Utilities.Library.LazyWithContext`2<System.Tuple`2<Microsoft.FSharp.Collections.FSharpList`1<Val>,TcEnv>,FSharp.Compiler.Text.Range>, Boolean, FSharp.Compiler.Syntax.SynExpr)
   at FSharp.Compiler.CheckComputationExpressions+clauses@1428-3.Invoke(FSharp.Compiler.Syntax.SynMatchClause)
   at Microsoft.FSharp.Primitives.Basics.List.map[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,System.__Canon>, Microsoft.FSharp.Collections.FSharpList`1<System.__Canon>)
   at FSharp.Compiler.CheckComputationExpressions+tryTrans@797-1.Invoke(Microsoft.FSharp.Core.Unit)

   ...
   
   at FSharp.Compiler.CheckDeclarations+TcModuleOrNamespaceElements@5418-7.Invoke(System.Threading.CancellationToken)
   at FSharp.Compiler.CheckDeclarations+CheckOneImplFile@5672-2.Invoke(System.Threading.CancellationToken)
   at FSharp.Compiler.CheckDeclarations+CheckOneImplFile@5653-1.Invoke(System.Threading.CancellationToken)
   at FSharp.Compiler.ParseAndCheckInputs+CheckOneInput@1352-15.Invoke(System.Threading.CancellationToken)
   at FSharp.Compiler.ParseAndCheckInputs+CheckOneInput@1346-16.Invoke(System.Threading.CancellationToken)
   at FSharp.Compiler.ParseAndCheckInputs+CheckOneInput@1276-2.Invoke(System.Threading.CancellationToken)
   at FSharp.Compiler.ParseAndCheckInputs+CheckOneInput@1275-17.Invoke(System.Threading.CancellationToken)
   at Internal.Utilities.Library.Cancellable+toAsync@76-1[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Invoke(System.Threading.CancellationToken)
   at Microsoft.FSharp.Control.AsyncPrimitives.CallThenInvokeNoHijackCheck[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Threading.CancellationToken, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.AsyncActivation`1<System.__Canon>, System.Threading.CancellationToken, Microsoft.FSharp.Core.FSharpFunc`2<System.Threading.CancellationToken,Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>>)
   at Microsoft.FSharp.Control.Trampoline.Execute(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)
   at Microsoft.FSharp.Control.AsyncPrimitives.StartWithContinuations[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Threading.CancellationToken, Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.Runtime.ExceptionServices.ExceptionDispatchInfo,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.OperationCanceledException,Microsoft.FSharp.Core.Unit>)
   at Microsoft.FSharp.Control.FSharpAsync.StartWithContinuationsUsingDispatchInfo[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.Runtime.ExceptionServices.ExceptionDispatchInfo,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.OperationCanceledException,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpOption`1<System.Threading.CancellationToken>)
   at Microsoft.FSharp.Control.FSharpAsync.StartWithContinuations[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.Exception,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.OperationCanceledException,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpOption`1<System.Threading.CancellationToken>)
   at FSharp.Compiler.BuildGraph+GetOrComputeValue@268-5[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Invoke(Microsoft.FSharp.Core.Unit)
   at FSharp.Compiler.BuildGraph+Bind@63-1[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Invoke(System.__Canon)
   at Microsoft.FSharp.Control.AsyncPrimitives.CallThenInvokeNoHijackCheck[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.AsyncActivation`1<System.__Canon>, System.__Canon, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>>)
   at Microsoft.FSharp.Control.Trampoline.Execute(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)
   at Microsoft.FSharp.Control.AsyncPrimitives.StartWithContinuations[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Threading.CancellationToken, Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.Runtime.ExceptionServices.ExceptionDispatchInfo,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.OperationCanceledException,Microsoft.FSharp.Core.Unit>)
   at Microsoft.FSharp.Control.FSharpAsync.StartWithContinuationsUsingDispatchInfo[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.Runtime.ExceptionServices.ExceptionDispatchInfo,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.OperationCanceledException,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpOption`1<System.Threading.CancellationToken>)
   at Microsoft.FSharp.Control.FSharpAsync.StartWithContinuations[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.Exception,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpFunc`2<System.OperationCanceledException,Microsoft.FSharp.Core.Unit>, Microsoft.FSharp.Core.FSharpOption`1<System.Threading.CancellationToken>)
   at FSharp.Compiler.BuildGraph+GetOrComputeValue@268-5[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Invoke(Microsoft.FSharp.Core.Unit)
   at FSharp.Compiler.BuildGraph+Bind@63-1[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Invoke(System.__Canon)
   at Microsoft.FSharp.Control.AsyncPrimitives.CallThenInvokeNoHijackCheck[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.AsyncActivation`1<System.__Canon>, System.__Canon, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>>)
   at Microsoft.FSharp.Control.Trampoline.Execute(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)
   at <StartupCode$FSharp-Core>.$Async+clo@193-15.Invoke(System.Object)
   at System.Threading.QueueUserWorkItemCallback.Execute()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool+WorkerThread.WorkerThreadStart()
   at System.Threading.Thread.StartCallback()

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