Intellisense doesn't recognize __GNUC__ after upgrade to VS2019 16.9.0

Mark Scott 46 Reputation points

After upgrading Visual Studio 2019 Pro from 16.8.5 to 16.9.2, my #ifdef GNUC code block is no longer recognized by Intellisense. I am working on an Azure Sphere solution. What setting do I need to change to get that functionality back? The code seems to run just fine when deployed to the sphere. Any guidance would be appreciated.

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
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