[Bug c++/69865] -trigraphs option broken

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69865

--- Comment #5 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Created attachment 37736
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37736&action=edit
possible patch

this tries to be compatible to previous gcc versions (option a).

always define __GNUC_GNU_INLINE__ and flag_gnu89_inline=1