re PR libfortran/35293 (truncation errors with gfortran.dg/streamio_11.f90, 3, 4 and 15.)

	PR libfortran/35293
	* lib/lib/target-supports.exp (check_effective_target_fd_truncate):
	New.
	* gfortran.fortran-torture/execute/list_read_1.x,
...	gfortran.dg/write_back.f: Gate test on effective_target
	fd_truncate.
(missing PR ChangeLog decoration)

From-SVN: r132889

gcc/testsuite/ChangeLog

 2008-03-05  Hans-Peter Nilsson  <hp@axis.com>
 
+	PR libfortran/35293
 	* lib/lib/target-supports.exp (check_effective_target_fd_truncate):
 	New.
 	* gfortran.fortran-torture/execute/list_read_1.x,