https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121314
--- Comment #2 from Gaius Mulley <gaius at gcc dot gnu.org> --- Created attachment 62026 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62026&action=edit Proposed fix for a string concat bug in bootstrap tool mc The proposed fix which has been bootstrap tested on x86_64 gnu linux.