[Bug tree-optimization/81655] [7/8 Regression] new test case gcc.dg/tree-ssa/pr81588.c fails on powerpc64

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81655

--- Comment #5 from seurer at gcc dot gnu.org ---
At the time I had not seen this on trunk but indeed it does fail there too.