[Bug tree-optimization/81958] [13/14/15 Regression] spurious -Wmaybe-uninitialized warning in gcc-8, or with -O1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81958

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |16.0
      Known to fail|                            |15.2.1
            Summary|[13/14/15/16 Regression]    |[13/14/15 Regression]
                   |spurious                    |spurious
                   |-Wmaybe-uninitialized       |-Wmaybe-uninitialized
                   |warning in gcc-8, or with   |warning in gcc-8, or with
                   |-O1                         |-O1

--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
This is fixed on trunk, by the loop header copying change I believe which
removes the EQ IV that confused us before.