[Bug libfortran/48587] Avoid exhausting unit number with NEWUNIT=

[jb at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48587

--- Comment #10 from Janne Blomqvist <jb at gcc dot gnu.org> ---
Author: jb
Date: Sun Oct 16 06:28:15 2016
New Revision: 241211

URL: https://gcc.gnu.org/viewcvs?rev=241211&root=gcc&view=rev
Log:
PR 48587 Newunit allocator, cleanup

Improve error message, and remove a redundant check, as the same check is
done a bit earlier due to the PR 48587 patch.

2016-10-16  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/48587
        * io/transfer.c (data_transfer_init): Improve error message,
        remove redundant check.

Regtested on x86_64-pc-linux-gnu.

Modified:
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/io/transfer.c