[Bug tree-optimization/88919] New test case gcc.dg/vect/pr88903-1.c in r268076 fails

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88919

--- Comment #5 from seurer at gcc dot gnu.org ---
Note that the change was backported to gcc 8 (r268578) and the test case fails
there now the same way.