RootCauseunvalidated

MSVC by default uses a non-conforming preprocessor. — vs2019, msvc2019_64, c++14. Outcome: Your code works correctly if the conforming preprocessor is enabled using `/Zc:preprocessor`.

a3585c7d-cfe3-4d93-a256-139dad438d04

MSVC by default uses a non-conforming preprocessor. — vs2019, msvc2019_64, c++14. Outcome: Your code works correctly if the conforming preprocessor is enabled using /Zc:preprocessor.