[Bug rtl-optimization/77499] [7/8 Regression] Regression after code-hoisting, due to combine pass failing to evaluate known value range

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77499

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |arm-none-eabi
   Target Milestone|7.0                         |8.0
            Summary|[7 Regression] Regression   |[7/8 Regression] Regression
                   |after code-hoisting, due to |after code-hoisting, due to
                   |combine pass failing to     |combine pass failing to
                   |evaluate known value range  |evaluate known value range

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
There's no simple fix here, defering to GCC 8.