2006-10-17  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/20541
	* trans-array.c (gfc_trans_array_bounds): Test for and set
	negative stride of a non-constant bound array to zero.

	PR fortran/29392
	* data.c (create_character_intializer): Copy and simplify
	the expressions for the start and end of a sub-string
	reference.

2006-10-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29392
	* gfortran.dg/data_char_3.f90: New test.

	PR fortran/20541
	* gfortran.dg/negative_automatic_size.f90: New test.

From-SVN: r117797