[Bug fortran/58001] Make it possible to silence "Extension: Tab character in format" warning

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58001

--- Comment #16 from kargl at gcc dot gnu.org ---
Author: kargl
Date: Tue Nov 22 18:25:55 2016
New Revision: 242717

URL: https://gcc.gnu.org/viewcvs?rev=242717&root=gcc&view=rev
Log:
2016-11-22  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/58001
        * io.c (next_char_not_space): Update handling of a 'tab' in a FORMAT.
        (format_lex): Adjust invocations of next_char_not_space().

2016-11-22  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/58001
        * gfortran.dg/fmt_tab_1.f90: Adjust testcase.
        * gfortran.dg/fmt_tab_2.f90: Ditto.

Modified:
    branches/gcc-6-branch/gcc/fortran/ChangeLog
    branches/gcc-6-branch/gcc/fortran/io.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/gfortran.dg/fmt_tab_1.f90
    branches/gcc-6-branch/gcc/testsuite/gfortran.dg/fmt_tab_2.f90