[Bug fortran/50463] [4.6/4.7 Regression] -ftree-dse leeds to wrong code with gfortran

[manz at intes dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50463

--- Comment #5 from manz at intes dot de 2011-09-20 17:11:56 UTC ---
(In reply to comment #2)
> I confirm the problem on 4.6.1 and trunk, but the code seems to work as
> expected with 4.5.3 and 4.4.6.
> It also works if I merge the three files in one, or if I use -flto.
> 
> Assuming that the test is coming from a bigger project, could you try -flto on
> it?
I have never tried -flto on the complete source since its too big
(more than 4.5 million lines of Fortran code).