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From: "jeremy at jeremysanders dot net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/97176] New: Cannot return deferred length strings when
 using -fno-automatic
Date: Wed, 23 Sep 2020 10:01:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97176

            Bug ID: 97176
           Summary: Cannot return deferred length strings when using
                    -fno-automatic
           Product: gcc
           Version: 10.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jeremy at jeremysanders dot net
  Target Milestone: ---

Created attachment 49261
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D49261&action=3Dedit
Test case

Functions returning deferred length strings return empty strings with the
-fno-automatic compiler option.

Please see the attached program (tested on trunk on godbolt.org).

$ gfortran testprog.f90
$ ./a.out
 Hello, world!

$ gfortran -fno-automatic testprog.f90
$ ./a.out=