[Bug tree-optimization/115278] [13/14 Regression] -ftree-vectorize optimizes away volatile write on x86_64 since r13-3219

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115278

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[13/14/15 Regression]       |[13/14 Regression]
                   |-ftree-vectorize optimizes  |-ftree-vectorize optimizes
                   |away volatile write on      |away volatile write on
                   |x86_64 since r13-3219       |x86_64 since r13-3219
      Known to work|                            |15.0

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.