[Bug tree-optimization/78114] [7 regression] gfortran.dg/vect/fast-math-mgrid-resid.f FAILs

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78114

--- Comment #4 from janus at gcc dot gnu.org ---
(In reply to janus from comment #3)
> At r241973, I see these failures on x86_64-linux-gnu:

... but only if I configure using --with-arch=haswell.

(the CPU on that machine is Intel(R) Core(TM) i5-4460  CPU @ 3.20GHz)