After updating Visual studio 2019 getting code analysis errors while building

The issue is at the Microsoft end. They seem to be working on it and the fix is available in the Visual Studio 2019 preview version - https://visualstudio.microsoft.com/vs/preview/ . 

Below is the link to the detailed discussion in developer community blog.

After 16.8 update getting lot of code analysis errors

https://developercommunity.visualstudio.com/content/problem/1251574/after-168-update-getting-lot-of-code-analysis-erro.html