PR 65200 Handle EPERM in addition to EACCES.

PR 65200 Handle EPERM in addition to EACCES.

gcc/fortran ChangeLog:

2015-03-11  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/65200
	* gfortran.texi: Document behavior when opening files without
	explicit ACTION= specifier.

libgfortran ChangeLog:

2015-03-11  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/65200
	* io/open.c (new_unit): Use gf_strerror rather than hardcoding
	error messages for different errno values.
	* io/unix.c (regular_file2): Handle EPERM in addition to EACCES.

gcc/testsuite ChangeLog:

2015-03-11  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/65200
	* gfortran.dg/open_errors.f90: Update checks for iomsg string.
	* gfortran.dg/open_new_segv.f90: Fix error message pattern.

From-SVN: r221361