https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63657
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |5.0 Summary|[4.9/5 regression] |[4.9 regression] |-Wunused-variable: warning |-Wunused-variable: warning |supressed by virtual dtor |supressed by virtual dtor --- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> --- Fixed on trunk.