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Assertion failure in type inference while using completions #15885

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#16963
Closed
Assertion failure in type inference while using completions#15885
#16963
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Issue-BugIssue has been identified as a bug in the productResolution-FixedThe issue is fixed.WG-Interactive-IntelliSensetab completion
@rjmholt

Description

@rjmholt
rjmholt
opened on Aug 6, 2021

Prerequisites

Steps to reproduce

trap { wait-debugger }
throw 'bad'

In the debugger:

> $_.Ex<Tab>

Expected behavior

Completes to $_.Exception

Actual behavior

[DBG]: PS C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell>> $_.ExProcess terminated. Assertion failed.
caller to verify arguments
   at System.Management.Automation.Diagnostics.Assert(Boolean condition, String whyThisShouldNeverHappen, String detailMessage) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\utils\assert.cs:line 202
   at System.Management.Automation.Diagnostics.Assert(Boolean condition, String whyThisShouldNeverHappen) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\utils\assert.cs:line 134
   at System.Management.Automation.Language.AstSearcher.FindAll(Ast ast, Func`2 predicate, Boolean searchNestedScriptBlocks) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\parser\AstVisitor.cs:line 410
   at System.Management.Automation.TypeInferenceVisitor.InferTypeFrom(VariableExpressionAst variableExpressionAst, List`1 inferredTypes) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\parser\TypeInferenceVisitor.cs:line 1934
   at System.Management.Automation.TypeInferenceVisitor.System.Management.Automation.Language.ICustomAstVisitor.VisitVariableExpression(VariableExpressionAst ast) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\parser\TypeInferenceVisitor.cs:line 630
   at System.Management.Automation.Language.VariableExpressionAst.Accept(ICustomAstVisitor visitor) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\parser\ast.cs:line 9252
   at System.Management.Automation.TypeInferenceContext.InferType(Ast ast, TypeInferenceVisitor visitor) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\parser\TypeInferenceVisitor.cs:line 400
   at System.Management.Automation.AstTypeInference.InferTypeOf(Ast ast, TypeInferenceContext context, TypeInferenceRuntimePermissions evalPersmissions) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\parser\TypeInferenceVisitor.cs:line 103
   at System.Management.Automation.CompletionCompleters.CompleteMember(CompletionContext context, Boolean static) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CompletionCompleters.cs:line 5637
   at System.Management.Automation.CompletionAnalysis.GetResultForIdentifier(CompletionContext completionContext, Int32& replacementIndex, Int32& replacementLength, Boolean isQuotedString) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CompletionAnalysis.cs:line 2021
   at System.Management.Automation.CompletionAnalysis.GetResultHelper(CompletionContext completionContext, Int32& replacementIndex, Int32& replacementLength, Boolean isQuotedString) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CompletionAnalysis.cs:line 419
   at System.Management.Automation.CompletionAnalysis.GetResults(PowerShell powerShell, Int32& replacementIndex, Int32& replacementLength) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CompletionAnalysis.cs:line 380
   at System.Management.Automation.CommandCompletion.CompleteInputImpl(Ast ast, Token[] tokens, IScriptPosition positionOfCursor, Hashtable options) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CommandCompletion.cs:line 579
   at System.Management.Automation.CommandCompletion.CompleteInput(String input, Int32 cursorIndex, Hashtable options) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CommandCompletion.cs:line 102
   at CallSite.Target(Closure , CallSite , Type , String , Int32 , Hashtable )
   at System.Management.Automation.Interpreter.DynamicInstruction`5.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\DynamicInstructions.Generated.cs:line 218
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.Interpreter.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\Interpreter.cs:line 105
   at System.Management.Automation.Interpreter.LightLambda.RunVoid1[T0](T0 arg0) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\LightLambda.Generated.cs:line 81
   at System.Management.Automation.PSScriptCmdlet.RunClause(Action`1 clause, Object dollarUnderbar, Object inputToProcess) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\runtime\CompiledScriptBlock.cs:line 2350
   at System.Management.Automation.PSScriptCmdlet.DoEndProcessing() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\runtime\CompiledScriptBlock.cs:line 2287
   at System.Management.Automation.CommandProcessorBase.Complete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandProcessorBase.cs:line 596
   at System.Management.Automation.CommandProcessorBase.DoComplete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandProcessorBase.cs:line 642
   at System.Management.Automation.Internal.PipelineProcessor.DoCompleteCore(CommandProcessorBase commandRequestingUpstreamCommandsToStop) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 603
   at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 514
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeHelper() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 400
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeThreadProc() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 591
   at System.Management.Automation.Runspaces.LocalPipeline.StartPipelineExecution() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 236
   at System.Management.Automation.Runspaces.PipelineBase.CoreInvoke(IEnumerable input, Boolean syncCall) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\pipelinebase.cs:line 543
   at System.Management.Automation.Runspaces.PipelineBase.Invoke(IEnumerable input) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\pipelinebase.cs:line 385
   at System.Management.Automation.Runspaces.Pipeline.Invoke() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\Pipeline.cs:line 528
   at System.Management.Automation.PowerShell.Worker.ConstructPipelineAndDoWork(Runspace rs, Boolean performSyncInvoke) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 5630
   at System.Management.Automation.PowerShell.CoreInvokeHelper[TInput,TOutput](PSDataCollection`1 input, PSDataCollection`1 output, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 4607
   at System.Management.Automation.PowerShell.CoreInvoke[TInput,TOutput](PSDataCollection`1 input, PSDataCollection`1 output, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 4788
   at System.Management.Automation.PowerShell.CoreInvoke[TOutput](IEnumerable input, PSDataCollection`1 output, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 4536
   at System.Management.Automation.PowerShell.Invoke[T](IEnumerable input, IList`1 output, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 2750
   at System.Management.Automation.PowerShell.InvokeWithDebugger(IEnumerable`1 input, IList`1 output, PSInvocationSettings settings, Boolean invokeMustRun) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 2247
   at System.Management.Automation.ScriptDebugger.ProcessCommand(PSCommand command, PSDataCollection`1 output) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\debugger\debugger.cs:line 2373
   at System.Management.Automation.CommandCompletion.ProcessCompleteInputCommand(Command cmd, Debugger debugger) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CommandCompletion.cs:line 410
   at System.Management.Automation.CommandCompletion.CompleteInputInDebugger(String input, Int32 cursorIndex, Hashtable options, Debugger debugger) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CommandCompletion.cs:line 351
   at System.Management.Automation.CommandCompletion.CompleteInput(String input, Int32 cursorIndex, Hashtable options, PowerShell powershell) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandCompletion\CommandCompletion.cs:line 163
   at Microsoft.PowerShell.PSConsoleReadLine.<>c__DisplayClass25_0.<Microsoft.PowerShell.Internal.IPSConsoleReadLineMockableMethods.CompleteInput>b__0() in Microsoft.PowerShell.PSReadLine2.dll:token 0x60004a0+0x0
   at PlatformWindows.CallPossibleExternalApplication[T](Func`1 func) in Microsoft.PowerShell.PSReadLine2.dll:token 0x600000d+0x1f
   at Microsoft.PowerShell.PSConsoleReadLine.CallPossibleExternalApplication[T](Func`1 func) in Microsoft.PowerShell.PSReadLine2.dll:token 0x60000e3+0x25
   at Microsoft.PowerShell.PSConsoleReadLine.Microsoft.PowerShell.Internal.IPSConsoleReadLineMockableMethods.CompleteInput(String input, Int32 cursorIndex, Hashtable options, PowerShell powershell) in Microsoft.PowerShell.PSReadLine2.dll:token 0x600002b+0x30
   at Microsoft.PowerShell.PSConsoleReadLine.GetCompletions() in Microsoft.PowerShell.PSReadLine2.dll:token 0x600003a+0x40
   at Microsoft.PowerShell.PSConsoleReadLine.Complete(Boolean forward) in Microsoft.PowerShell.PSReadLine2.dll:token 0x600003b+0x0
   at Microsoft.PowerShell.PSConsoleReadLine.TabCompleteNext(Nullable`1 key, Object arg) in Microsoft.PowerShell.PSReadLine2.dll:token 0x600002c+0x0
   at Microsoft.PowerShell.PSConsoleReadLine.ProcessOneKey(PSKeyInfo key, Dictionary`2 dispatchTable, Boolean ignoreIfNoAction, Object arg) in Microsoft.PowerShell.PSReadLine2.dll:token 0x60000e5+0xb6
   at Microsoft.PowerShell.PSConsoleReadLine.InputLoop() in Microsoft.PowerShell.PSReadLine2.dll:token 0x60000e2+0x53
   at Microsoft.PowerShell.PSConsoleReadLine.ReadLine(Runspace runspace, EngineIntrinsics engineIntrinsics, CancellationToken cancellationToken) in Microsoft.PowerShell.PSReadLine2.dll:token 0x60000e1+0x92
   at Microsoft.PowerShell.PSConsoleReadLine.ReadLine(Runspace runspace, EngineIntrinsics engineIntrinsics) in Microsoft.PowerShell.PSReadLine2.dll:token 0x60000e0+0x0
   at CallSite.Target(Closure , CallSite , Type , Object , Object )
   at System.Management.Automation.Interpreter.DynamicInstruction`4.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\DynamicInstructions.Generated.cs:line 192
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.Interpreter.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\Interpreter.cs:line 105
   at System.Management.Automation.Interpreter.LightLambda.RunVoid1[T0](T0 arg0) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\LightLambda.Generated.cs:line 81
   at System.Management.Automation.DlrScriptCommandProcessor.RunClause(Action`1 clause, Object dollarUnderbar, Object inputToProcess) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\ScriptCommandProcessor.cs:line 547
   at System.Management.Automation.DlrScriptCommandProcessor.Complete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\ScriptCommandProcessor.cs:line 425
   at System.Management.Automation.CommandProcessorBase.DoComplete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandProcessorBase.cs:line 642
   at System.Management.Automation.Internal.PipelineProcessor.DoCompleteCore(CommandProcessorBase commandRequestingUpstreamCommandsToStop) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 603
   at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 514
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeHelper() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 400
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeThreadProc() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 591
   at System.Management.Automation.Runspaces.LocalPipeline.StartPipelineExecution() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 236
   at System.Management.Automation.Runspaces.PipelineBase.CoreInvoke(IEnumerable input, Boolean syncCall) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\pipelinebase.cs:line 543
   at System.Management.Automation.Runspaces.PipelineBase.Invoke(IEnumerable input) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\pipelinebase.cs:line 385
   at System.Management.Automation.Runspaces.Pipeline.Invoke() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\Pipeline.cs:line 528
   at System.Management.Automation.PowerShell.Worker.ConstructPipelineAndDoWork(Runspace rs, Boolean performSyncInvoke) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 5630
   at System.Management.Automation.PowerShell.CoreInvokeHelper[TInput,TOutput](PSDataCollection`1 input, PSDataCollection`1 output, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 4607
   at System.Management.Automation.PowerShell.CoreInvoke[TInput,TOutput](PSDataCollection`1 input, PSDataCollection`1 output, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 4788
   at System.Management.Automation.PowerShell.CoreInvoke[TOutput](IEnumerable input, PSDataCollection`1 output, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 4536
   at System.Management.Automation.PowerShell.Invoke(IEnumerable input, PSInvocationSettings settings) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 2431
   at System.Management.Automation.PowerShell.Invoke() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\PowerShell.cs:line 2308
   at Microsoft.PowerShell.ConsoleHostUserInterface.TryInvokeUserDefinedReadLine(String& input) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.ConsoleHost\host\msh\ConsoleHostUserInterface.cs:line 2209
   at Microsoft.PowerShell.ConsoleHostUserInterface.ReadLineWithTabCompletion(Executor exec) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.ConsoleHost\host\msh\ConsoleHostUserInterface.cs:line 1970
   at Microsoft.PowerShell.ConsoleHost.InputLoop.Run(Boolean inputLoopIsNested) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.ConsoleHost\host\msh\ConsoleHost.cs:line 2508
   at Microsoft.PowerShell.ConsoleHost.InputLoop.RunNewInputLoop(ConsoleHost parent, Boolean isNested) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.ConsoleHost\host\msh\ConsoleHost.cs:line 2343
   at Microsoft.PowerShell.ConsoleHost.EnterNestedPrompt() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.ConsoleHost\host\msh\ConsoleHost.cs:line 1037
   at System.Management.Automation.Internal.Host.InternalHost.EnterNestedPrompt(InternalCommand callingCommand) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\InternalHost.cs:line 334
   at System.Management.Automation.Internal.Host.InternalHost.EnterNestedPrompt() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\InternalHost.cs:line 214
   at Microsoft.PowerShell.ConsoleHost.EnterDebugMode() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.ConsoleHost\host\msh\ConsoleHost.cs:line 2273
   at Microsoft.PowerShell.ConsoleHost.OnExecutionSuspended(Object sender, DebuggerStopEventArgs e) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.ConsoleHost\host\msh\ConsoleHost.cs:line 2228
   at System.Management.Automation.ExtensionMethods.SafeInvoke[T](EventHandler`1 eventHandler, Object sender, T eventArgs) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\utils\ExtensionMethods.cs:line 20
   at System.Management.Automation.Debugger.RaiseDebuggerStopEvent(DebuggerStopEventArgs args) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\debugger\debugger.cs:line 467
   at System.Management.Automation.ScriptDebugger.OnDebuggerStop(InvocationInfo invocationInfo, List`1 breakpoints) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\debugger\debugger.cs:line 1851
   at System.Management.Automation.ScriptDebugger.StopOnSequencePoint(FunctionContext functionContext, List`1 breakpoints) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\debugger\debugger.cs:line 2077
   at System.Management.Automation.ScriptDebugger.OnSequencePointHit(FunctionContext functionContext) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\debugger\debugger.cs:line 1544
   at System.Management.Automation.ScriptDebugger.Break(Object triggerObject) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\debugger\debugger.cs:line 2528
   at Microsoft.PowerShell.Commands.WaitDebuggerCommand.EndProcessing() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\Microsoft.PowerShell.Commands.Utility\commands\utility\EnableDisableRunspaceDebugCommand.cs:line 524
   at System.Management.Automation.Cmdlet.DoEndProcessing() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\cmdlet.cs:line 187
   at System.Management.Automation.CommandProcessorBase.Complete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandProcessorBase.cs:line 596
   at System.Management.Automation.CommandProcessorBase.DoComplete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandProcessorBase.cs:line 642
   at System.Management.Automation.Internal.PipelineProcessor.DoCompleteCore(CommandProcessorBase commandRequestingUpstreamCommandsToStop) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 603
   at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 514
   at System.Management.Automation.PipelineOps.InvokePipeline(Object input, Boolean ignoreInput, CommandParameterInternal[][] pipeElements, CommandBaseAst[] pipeElementAsts, CommandRedirection[][] commandRedirections, FunctionContext funcContext) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\runtime\Operations\MiscOps.cs:line 498
   at <ScriptBlock><trap>(Closure , FunctionContext )
   at System.Management.Automation.ExceptionHandlingOps.ProcessTraps(FunctionContext funcContext, RuntimeException rte) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\runtime\Operations\MiscOps.cs:line 1767
   at System.Management.Automation.ExceptionHandlingOps.CheckActionPreference(FunctionContext funcContext, Exception exception) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\runtime\Operations\MiscOps.cs:line 1650
   at System.Management.Automation.Interpreter.ActionCallInstruction`2.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\CallInstruction.Generated.cs:line 504
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\ControlFlowInstructions.cs:line 358
   at System.Management.Automation.Interpreter.Interpreter.Run(InterpretedFrame frame) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\Interpreter.cs:line 105
   at System.Management.Automation.Interpreter.LightLambda.RunVoid1[T0](T0 arg0) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\interpreter\LightLambda.Generated.cs:line 81
   at System.Management.Automation.DlrScriptCommandProcessor.RunClause(Action`1 clause, Object dollarUnderbar, Object inputToProcess) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\ScriptCommandProcessor.cs:line 547
   at System.Management.Automation.DlrScriptCommandProcessor.Complete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\ScriptCommandProcessor.cs:line 425
   at System.Management.Automation.CommandProcessorBase.DoComplete() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\CommandProcessorBase.cs:line 642
   at System.Management.Automation.Internal.PipelineProcessor.DoCompleteCore(CommandProcessorBase commandRequestingUpstreamCommandsToStop) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 603
   at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input) in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\pipeline.cs:line 514
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeHelper() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 400
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeThreadProc() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 591
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeThreadProcImpersonate() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 547
   at System.Management.Automation.Runspaces.PipelineThread.WorkerProc() in C:\Users\Robert Holt\Documents\Dev\Microsoft\PowerShell\src\System.Management.Automation\engine\hostifaces\LocalPipeline.cs:line 1220
   at System.Threading.Thread.StartHelper.Callback(Object state) in System.Private.CoreLib.dll:token 0x600288d+0x0
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in System.Private.CoreLib.dll:token 0x6002a2d+0x40
   at System.Threading.Thread.StartCallback() in System.Private.CoreLib.dll:token 0x600280f+0xe

Error details

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Environment data

> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      7.2.0-preview.8
PSEdition                      Core
GitCommitId                    7.2.0-preview.8
OS                             Microsoft Windows 10.0.19043
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

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    Issue-BugIssue has been identified as a bug in the productResolution-FixedThe issue is fixed.WG-Interactive-IntelliSensetab completion

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