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From: "jussilehtola at fedoraproject dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/96486] get_environment_variable fails for zero-length
 values
Date: Fri, 07 Aug 2020 13:14:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96486

--- Comment #19 from Susi Lehtola <jussilehtola at fedoraproject dot org> -=
--
(In reply to Steve Kargl from comment #17)
> On Thu, Aug 06, 2020 at 08:33:12PM +0000, jussilehtola at fedoraproject d=
ot
> org wrote:
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96486
> >=20
> > --- Comment #16 from Susi Lehtola <jussilehtola at fedoraproject dot or=
g> ---
> > Yes, then I installed missing libgfortran debuginfos and the backtrace
> > shortened to
> >=20
> > #0  0x401267 in zerolen_value
> >         at /tmp/readvar2.f90:17
> > #1  0x4012c4 in main
> >         at /tmp/readvar2.f90:22
> >=20
>=20
> I cannot reproduce the issue.

It already was reproduced in comment #9?

The issue is not that the environment variable has not been set, but rather
that it is set to an empty string.=