{"action":"opened","issue":{"url":"https://api.github.com/repos/dotnet/roslyn/issues/29754","repository_url":"https://api.github.com/repos/dotnet/roslyn","labels_url":"https://api.github.com/repos/dotnet/roslyn/issues/29754/labels{/name}","comments_url":"https://api.github.com/repos/dotnet/roslyn/issues/29754/comments","events_url":"https://api.github.com/repos/dotnet/roslyn/issues/29754/events","html_url":"https://github.com/dotnet/roslyn/issues/29754","id":358764492,"node_id":"MDU6SXNzdWUzNTg3NjQ0OTI=","number":29754,"title":"Error in Microsoft.CodeAnalysis.CSharp in VS2017.","user":{"login":"AraHaan","id":15173749,"node_id":"MDQ6VXNlcjE1MTczNzQ5","avatar_url":"https://avatars0.githubusercontent.com/u/15173749?v=4","gravatar_id":"","url":"https://api.github.com/users/AraHaan","html_url":"https://github.com/AraHaan","followers_url":"https://api.github.com/users/AraHaan/followers","following_url":"https://api.github.com/users/AraHaan/following{/other_user}","gists_url":"https://api.github.com/users/AraHaan/gists{/gist_id}","starred_url":"https://api.github.com/users/AraHaan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AraHaan/subscriptions","organizations_url":"https://api.github.com/users/AraHaan/orgs","repos_url":"https://api.github.com/users/AraHaan/repos","events_url":"https://api.github.com/users/AraHaan/events{/privacy}","received_events_url":"https://api.github.com/users/AraHaan/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-09-10T19:39:05Z","updated_at":"2018-09-10T19:39:05Z","closed_at":null,"author_association":"NONE","body":"**Version Used**: Unknown, VS2017 15.9 Preview 1.\r\n\r\n**Steps to Reproduce**:\r\n\r\n1. I edited a file to add documentations from StyleCop warnings of public methods / properties.\r\n2. This error shows up from ``Microsoft.CodeAnalysis.CSharp``: ```cs\r\nSystem.NullReferenceException : Object reference not set to an instance of an object.\r\n   at Microsoft.CodeAnalysis.CSharp.Binder.BindBase(BaseExpressionSyntax node,DiagnosticBag diagnostics)\r\n   at Microsoft.CodeAnalysis.CSharp.Binder.BindExpressionInternal(ExpressionSyntax node,DiagnosticBag diagnostics,Boolean invoked,Boolean indexed)\r\n   at Microsoft.CodeAnalysis.CSharp.Binder.BindExpression(ExpressionSyntax node,DiagnosticBag diagnostics,Boolean invoked,Boolean indexed)\r\n   at Microsoft.CodeAnalysis.CSharp.CSharpSemanticModel.GetSpeculativelyBoundExpressionHelper(Binder binder,ExpressionSyntax expression,SpeculativeBindingOption bindingOption,DiagnosticBag diagnostics)\r\n   at Microsoft.CodeAnalysis.CSharp.CSharpSemanticModel.GetSpeculativelyBoundExpression(Int32 position,ExpressionSyntax expression,SpeculativeBindingOption bindingOption,Binder& binder,ImmutableArray`1& crefSymbols)\r\n   at Microsoft.CodeAnalysis.CSharp.CSharpSemanticModel.GetSpeculativeSymbolInfo(Int32 position,ExpressionSyntax expression,SpeculativeBindingOption bindingOption)\r\n   at Microsoft.CodeAnalysis.CSharp.CSharpSemanticModel.GetSpeculativeSymbolInfoCore(Int32 position,SyntaxNode node,SpeculativeBindingOption bindingOption)\r\n   at Microsoft.CodeAnalysis.ReplaceDocCommentTextWithTag.AbstractReplaceDocCommentTextWithTagCodeRefactoringProvider.TryRegisterSeeCrefTagIfSymbol(CodeRefactoringContext context,SemanticModel semanticModel,SyntaxToken token,TextSpan replacementSpan,CancellationToken cancellationToken)\r\n   at async Microsoft.CodeAnalysis.ReplaceDocCommentTextWithTag.AbstractReplaceDocCommentTextWithTagCodeRefactoringProvider.ComputeRefactoringsAsync(<Unknown Parameters>)\r\n   at async Microsoft.CodeAnalysis.CodeRefactorings.CodeRefactoringService.GetRefactoringFromProviderAsync(<Unknown Parameters>)\r\n   at Microsoft.VisualStudio.Telemetry.WindowsErrorReporting.WatsonReport.GetClrWatsonExceptionInfo(Exception exceptionObject)\r\n```\r\n\r\n**Expected Behavior**:\r\n\r\nNo error from this disabling something in VS.\r\n\r\n**Actual Behavior**:\r\n\r\nThis error disabling something in VS."}}
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