[Bug fortran/54070] [4.9/5/6 Regression] Wrong code with allocatable deferred-length (array) function results

[pault at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54070

--- Comment #28 from Paul Thomas <pault at gcc dot gnu.org> ---
(In reply to paul.richard.thomas@gmail.com from comment #27)
> ...so ragged in fact that it fails at all levels of optimization.... I
> have not had time these last days to come back to it and understand
> why. Something for the holidays!
> 
> Paul
> 
> On 28 November 2015 at 11:19, pault at gcc dot gnu.org
> <gcc-bugzilla@gcc.gnu.org> wrote:
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54070
> >
> > Paul Thomas <pault at gcc dot gnu.org> changed:
> >
> >            What    |Removed                     |Added
> > ----------------------------------------------------------------------------
> >            Assignee|unassigned at gcc dot gnu.org      |pault at gcc dot gnu.org
> >
> > --- Comment #26 from Paul Thomas <pault at gcc dot gnu.org> ---
> > I have a somewhat ragged patch that does the job. I will be cleaning it up in
> > the next 24 hours for submission.
> >
> > Paul
> >
> > --
> > You are receiving this mail because:
> > You are on the CC list for the bug.
> > You are the assignee for the bug.

OK - I found the problem with correct code; ie. the three cases in comment #0
with an allocation.

However, not for the first time, I have failed to make the -fcheck=mem test
work for the unallocated result. I suspect that there is some trivial problem
and that I will crack it in the next 24 hours.

Paul