Latest PowerShell build from main crashes on property completion #25205
Description
Prerequisites
- Write a descriptive title.
- Make sure you are able to repro it on the latest released version
- Search the existing issues.
- Refer to the FAQ.
- Refer to Differences between Windows PowerShell 5.1 and PowerShell.
Steps to reproduce
Tab complete following line:
$x = Get-Random; $x = $x.Where{$_.Expected behavior
Should not crash.Actual behavior
PowerShell process abruptly terminates.Partial call-stack
at System.Management.Automation.TypeInferenceVisitor.GetExpressionType(System.Management.Automation.Language.ExpressionAst, Boolean)
at System.Management.Automation.TypeInferenceVisitor.InferTypesFrom(System.Management.Automation.Language.MemberExpressionAst)
at System.Management.Automation.TypeInferenceVisitor.InferTypeFrom(System.Management.Automation.Language.VariableExpressionAst, System.Collections.Generic.List`1<System.Management.Automation.PSTypeName>)
at System.Management.Automation.TypeInferenceVisitor.System.Management.Automation.Language.ICustomAstVisitor.VisitVariableExpression(System.Management.Automation.Language.VariableExpressionAst)
at System.Management.Automation.TypeInferenceVisitor.InferTypeFrom(System.Management.Automation.Language.VariableExpressionAst, System.Collections.Generic.List`1<System.Management.Automation.PSTypeName>)
at System.Management.Automation.TypeInferenceVisitor.System.Management.Automation.Language.ICustomAstVisitor.VisitVariableExpression(System.Management.Automation.Language.VariableExpressionAst)
at System.Management.Automation.AstTypeInference.InferTypeOf(System.Management.Automation.Language.Ast, System.Management.Automation.TypeInferenceContext, System.Management.Automation.TypeInferenceRuntimePermissions)
at System.Management.Automation.CompletionCompleters.CompleteMember(System.Management.Automation.CompletionContext, Boolean, Int32 ByRef)
at System.Management.Automation.CompletionAnalysis.GetResultHelper(System.Management.Automation.CompletionContext, Int32 ByRef, Int32 ByRef)
at System.Management.Automation.CompletionAnalysis.GetResults(System.Management.Automation.PowerShell, Int32 ByRef, Int32 ByRef)
at System.Management.Automation.CommandCompletion.CompleteInputImpl(System.Management.Automation.Language.Ast, System.Management.Automation.Language.Token[], System.Management.Automation.Language.IScriptPosition, System.Collections.Hashtable)
at DynamicClass.CallSite.Target(System.Runtime.CompilerServices.Closure, System.Runtime.CompilerServices.CallSite, System.Type, System.String, Int32, System.Collections.Hashtable)
at System.Dynamic.UpdateDelegates.UpdateAndExecute4[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Runtime.CompilerServices.CallSite, System.__Canon, System.__Canon, Int32, System.__Canon)
at System.Management.Automation.Interpreter.DynamicInstruction`5[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Run(System.Management.Automation.Interpreter.InterpretedFrame)
at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(System.Management.Automation.Interpreter.InterpretedFrame)
at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(System.Management.Automation.Interpreter.InterpretedFrame)
at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(System.Management.Automation.Interpreter.InterpretedFrame)
at System.Management.Automation.Interpreter.Interpreter.Run(System.Management.Automation.Interpreter.InterpretedFrame)
at System.Management.Automation.Interpreter.LightLambda.RunVoid1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.__Canon)
at System.Management.Automation.PSScriptCmdlet.RunClause(System.Action`1<System.Management.Automation.Language.FunctionContext>, System.Object, System.Object)
at System.Management.Automation.CommandProcessorBase.Complete()
at System.Management.Automation.CommandProcessorBase.DoComplete()
at System.Management.Automation.Internal.PipelineProcessor.DoCompleteCore(System.Management.Automation.CommandProcessorBase)
at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(System.Object)
at System.Management.Automation.Runspaces.LocalPipeline.InvokeHelper()
at System.Management.Automation.Runspaces.LocalPipeline.InvokeThreadProc()
at System.Management.Automation.Runspaces.PipelineThread.WorkerProc()
at System.Threading.Thread+StartHelper.RunWorker()
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)Environment data
Name Value
---- -----
PSVersion 7.6.0-preview.3
PSEdition Core
GitCommitId 7.6.0-preview.3-50-geef334de1b0f648512859bd032356f9c8df7cb91
OS Microsoft Windows 10.0.19045
Platform Win32NT
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
WSManStackVersion 3.0Visuals
