[Bug preprocessor/109704] #pragma {push,pop}_macro broken for identifiers that contain dollar signs at nonfirst positions

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109704

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Well $ is an extension and MSVC does not support $, push_macro/pop_macro were
for compatibility for MSVC too.