[Bug middle-end/85974] [8 Regression] Failure to optimize difference of two pointers into a compile time constant

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85974

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |9.0
            Summary|[8/9 Regression] Failure to |[8 Regression] Failure to
                   |optimize difference of two  |optimize difference of two
                   |pointers into a compile     |pointers into a compile
                   |time constant               |time constant
      Known to fail|                            |8.1.0

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.