[Bug fortran/47878] [4.6 Regression] 187.facerec miscompares

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47878

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-24 11:19:57 UTC ---
(In reply to comment #3)
> (In reply to comment #0)
> > I see miscompares with -O3 and -O2 -ffast-math.
> 
> Does the miscompare depend on the -O flags? If so, the patch for PR 47694
> cannot have cause it as it is a libgfortran only change. Looking at the
> changelog, it then has to be a middle-end issue.

I only extracted information from our autotesters and did not run
manual tests yet.  That the issue is seen across a wide range of platforms
suggests the bug is in libgfortran.