https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69821
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED Target Milestone|--- |6.0 --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- I think it makes sense to omit this by default. In fact it is already in GCC 6. case OPT_fdebug_prefix_map_: /* Ignore these. */