https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103279
--- Comment #1 from Sergei Trofimovich <slyfox at gcc dot gnu.org> --- Created attachment 51815 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51815&action=edit a.c.cpp.orig.gz a.c.cpp.orig.gz is an unreduced file in case reduction is too narrow.