[Bug middle-end/71654] [6/7 Regression] missing VRP optimization on c++ unsigned char and short expressions

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71654

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 6.2 is being released, adjusting target milestone.