[Bug debug/80490] -gsplit-dwarf: top namespace info seems to be lost in GDB

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80490

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
The DWARF in the dwo looks ok to me so this is a gdb bug.  gdb only knows
f and g in ossia::...