vscode-csharp: 1.6.0: Extension host terminated unexpectedly. Please reload the window to recover.

Environment data

dotnet --info output: .NET Command Line Tools (1.0.0-preview2-003121)

Product Information: Version: 1.0.0-preview2-003121 Commit SHA-1 hash: 1e9d529bc5

Runtime Environment: OS Name: Mac OS X OS Version: 10.12 OS Platform: Darwin RID: osx.10.12-x64

VS Code version: 1.8.1 C# Extension version: 1.6.0

Steps to reproduce

Open a C# file. Omnisharp is starting up and when it’s almost finished: “Extension host terminated unexpectedly. Please reload the window to recover.”

Expected behavior

No crash and a working C# environment. I don’t see an exception in the Omnisharp log. It ends with:

[INFORMATION:OmniSharp#MSBuild] MSBUILD_EXE_PATH environment variable set to /Users/tverboon/.vscode/extensions/ms-vscode.csharp-1.6.0/bin/omnisharp/msbuild/MSBuild.dll
[INFORMATION:OmniSharp#MSBuild] MSBuildExtensionsPath environment variable set to /Users/tverboon/.vscode/extensions/ms-vscode.csharp-1.6.0/bin/omnisharp/msbuild
[INFORMATION:OmniSharp#MSBuild] MSBuildSDKsPath environment variable set to /Users/tverboon/.vscode/extensions/ms-vscode.csharp-1.6.0/bin/omnisharp/msbuild/Sdks
[INFORMATION:OmniSharp#MSBuild] No solution files found in '/Users/tverboon/Desktop/Code/Midmid'
[INFORMATION:OmniSharp.Script.ScriptProjectSystem] Detecting CSX files in '/Users/tverboon/Desktop/Code/Midmid'.
[INFORMATION:OmniSharp.Script.ScriptProjectSystem] Could not find any CSX files
[INFORMATION:OmniSharp.Startup] Configuration finished.

Actual behavior

“Extension host terminated unexpectedly. Please reload the window to recover.” And C# is not working.

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Extra info: I did some extra testing as I had to reinstall the previous version. For me the extension causes a crash in 1.6-beta7. 1.6-beta6 and before are working.