[Bug preprocessor/89142] Allow poisoning identifier from the command line

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89142

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |jakub at gcc dot gnu.org
         Resolution|---                         |WONTFIX

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Just put it into a new header file and use
-include /whatever/header_with_gcc_poison.h
on the command line.