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From: "kargl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/96255] [F2018] Implement optional type spec for index
 in DO CONCURRENT
Date: Tue, 21 Jul 2020 05:57:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96255

--- Comment #3 from kargl at gcc dot gnu.org ---
(In reply to kargl from comment #2)
> This issue depends on the fix for FORALL.  In gfc_match_do in the concurr=
ent
> section, one gets to=20
>=20
>       m =3D match_forall_header (&head, &mask);
>=20
> to match the control portion of the statement.

This should be trivial for a new gfortran contributor.  In
match.c(match_forall_header) prior to line 2401

  m =3D match_forall_iterator (&new_iter);

one needs to essentially copy lines 1229-1259 from array.c
and modify the checks to enforce an integer type.=