https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89667
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |jakub at gcc dot gnu.org Resolution|--- |INVALID --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- That is not a bug, that is how C works. You'd need gcc older than 4.0 and use -fwritable-strings option if you'd need it to work. Or just use the named char array variables initialized with string literals which is the portable way of making strings writable.