Studio2017, a problem found in Visual Studio 2017

Studio2017, a problem found in Visual Studio 2017

I recently took the time to learn about the new features of C #6.0. What is one of the new features ?. For more information about operators, see the following simple example:

When I intentionally modify the code to an error code, see the following example:

I want to change the code to list? [0]. Count. We know that list [0] does not have the Count attribute. The expected result is a smart prompt error, but IDE crashes! At that time, I thought it was a problem with the system environment, but I encountered the same problem in tests on several other PCs. Then I submitted the problem to Microsoft, the following is an email that Microsoft replied to me:

Microsoft's conclusion is that the CPU usage is too high and the root cause is still being investigated. Some people have reported that this problem may occur in the following six scenarios (to be verified ):