https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83906
--- Comment #22 from Jonathan Wakely <redi at gcc dot gnu.org> --- Pedro, I'm seeing this again with GDB 8.2 (specifically gdb-8.2-6.fc29.x86_64). Is it likely to be something different, or a GDB regression? (I still want a libstdc++ fix that works for older GDB anyway).