IntelliSense bug with preprocessor __COUNTER__  #9056

Bug type: Language Service

Describe the bug

• OS and Version: Windows 10 Pro Build 19041.vb_release.191206-1406
• VS Code Version: 1.65.2
• C/C++ Extension Version: 1.9.5
• Other extensions you installed (and if the issue persists after disabling them): None
• If using SSH remote, specify OS of remote machine:
• Single file example of the bug. When you hover enum, Intellisense works incorrectly with __COUNTER__, it shows different numbers every time, but with hovering testing::a it works correctly

Steps to reproduce

1. Use code sample
2. Hover enums and everytime it will show you different number
3. Repeat second step
4. See error

Expected behavior

I expect to see constant value

Code sample and logs

• Code sample
  enum testing { a = __COUNTER__, b = __COUNTER__, c = __COUNTER__, d = __COUNTER__ };

• Configurations in c_cpp_properties.json

• Logs from running C/C++: Log Diagnostics from the VS Code command palette

• Logs from the language server logging

Screenshots

Additional context