[Bug target/82271] loop gets miscompiled on powerpc at -O2

[sirl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271

Franz Sirl <sirl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |4.5.4, 4.6.4, 4.7.4
      Known to fail|                            |4.8.0, 4.8.5, 5.4.0, 6.4.0,
                   |                            |7.2.0

--- Comment #1 from Franz Sirl <sirl at gcc dot gnu.org> ---
I was slightly wrong, 4.7 works. Further testing shows that 4.5.4, 4.6.4 and
4.7.4 are OK, starting with 4.8.0 the loop gets miscompiled.