https://developercommunity.visualstudio.com/t/Prev-Issue---with-__assume-isnan-/1597317
This was causing unittest failures on Windows for the GitHub actions
based CI we use in the release branches.
Failed Tests (2):
LLVM-Unit :: Support/./SupportTests.exe/FormatVariadicTest.BigTest LLVM-Unit :: Support/./SupportTests.exe/NativeFormatTest.BoundaryTests
specifiy that its a VS2022 bug?