https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94007
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >The pointer returned may be invalidated by further calls to other member >functions that modify the object. This is not a bug. You are violating a constraint on the return value of string::data that is the pointer might become invalid while string is being modified.