[Bug libfortran/83811] fortran 'e' format broken for single digit exponents

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83811

--- Comment #4 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Author: jvdelisle
Date: Sun Jan 14 17:36:29 2018
New Revision: 256669

URL: https://gcc.gnu.org/viewcvs?rev=256669&root=gcc&view=rev
Log:
2018-01-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR libgfortran/83811
        * write.c (select_buffer): Adjust buffer size up by 1.

        * gfortran.dg/fmt_e.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/fmt_e.f90
Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/io/write.c