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Subject: [Bug fortran/100651] [11/12/13/14 Regression] Bad handling of
 optional, allocatable character argument
Date: Sun, 10 Dec 2023 20:14:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100651

--- Comment #17 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Harald Anlauf
<anlauf@gcc.gnu.org>:

https://gcc.gnu.org/g:7a2f4af9b1b12d8b1f1b4cf4ddb812f2a48ce9ff

commit r13-8142-g7a2f4af9b1b12d8b1f1b4cf4ddb812f2a48ce9ff
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Fri Dec 1 22:44:30 2023 +0100

    Fortran: deferred-length character optional dummy arguments
[PR93762,PR100651]

    gcc/fortran/ChangeLog:

            PR fortran/93762
            PR fortran/100651
            * trans-array.cc (gfc_trans_deferred_array): Add presence check
            for optional deferred-length character dummy arguments.
            * trans-expr.cc (gfc_conv_missing_dummy): The character length =
for
            deferred-length dummy arguments is passed by reference, so that
            its value can be returned.  Adjust handling for optional dummie=
s.

    gcc/testsuite/ChangeLog:

            PR fortran/93762
            PR fortran/100651
            * gfortran.dg/optional_deferred_char_1.f90: New test.

    (cherry picked from commit 27ce74fa23c93c1189c301993cd19ea766e6bdb5)=