https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77469
Andreas Schwab <sch...@linux-m68k.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #4 from Andreas Schwab <sch...@linux-m68k.org> --- \ is not special inside bracket expressions, [b\-a] means b and the range between \ and a. If you want to include a - in a bracket expression, put it first or last.