See https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=msvc-180
One recent user reported case was #14310
/Zc:__STDC__ isn't using --ms_stdc and defining __STDC__./Za isn't defing __STDC__.
...it seems like there could be a lot more...maybe we could postpone this till users ask for specific args to be handled? Some of these are probably pretty rarely used?
See https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=msvc-180
One recent user reported case was #14310
/Zc:__STDC__isn't using--ms_stdcand defining__STDC__./Zaisn't defing__STDC__....it seems like there could be a lot more...maybe we could postpone this till users ask for specific args to be handled? Some of these are probably pretty rarely used?