[Bug middle-end/57904] [4.9 Regression] Bogus(?) "invokes undefined behavior" warning with Fortran's finalization wrapper (gfortran.dg/class_48.f90)

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57904

--- Comment #16 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> For the FE change, I guess most important are benchmark results, 
> doesn't it slow down important benchmarks?

AFAICT the answer is not at least for the gfortran test suite and the
polyhedron ones
(pb05, pb11, and my own variants).

May be Joost can do more testing for CP2K.