[Bug fortran/69368] [6 Regression] spec2006 test case 416.gamess fails with the g++ 6.0 compiler starting with r232508

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69368

--- Comment #75 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to rguenther@suse.de from comment #74)
> On Tue, 23 Feb 2016, dominiq at lps dot ens.fr wrote:
> 
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69368
> > 
> > --- Comment #73 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> > > Patch as posted passed bootstrap & regtest.  Adjusted according to 
> > > comments but not tested otherwise
> > 
> > The patch "fixes" the test in comment 45, but not the one in comment 61.
> 
> It's expected that it doesn't fix the one w/o /COMMON/

The #c61 testcase is with /COMMON/ too.  But doesn't really use
get_ref_base_and_extent for the optimization, but array_at_struct_end_p.
Which is why I've suggested to Alan on gcc-patches to tweak those two places
for -funknown-commons.