[Bug middle-end/64922] runtime error: member call on misaligned address for type 'struct _Rep'

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64922

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
It might have started with r219695.  Or maybe with r219823.