https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71822
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- (gdb) p expr_p->base.code $1 = SIZEOF_EXPR
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71822
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- (gdb) p expr_p->base.code $1 = SIZEOF_EXPR