vla: add stride support to fortran arrays.

vla: add stride support to fortran arrays.

2014-05-28  Bernhard Heckel  <bernhard.heckel@intel.com>
            Sanimir Agovic  <sanimir.agovic@intel.com>
            Keven Boell  <keven.boell@intel.com>

gdb/Changelog:
	* dwarf2read.c (read_subrange_type): Read dynamic
	stride attributes.
	* gdbtypes.c (create_array_type_with_stride): Add
	stride support
	(create_range_type): Add stride parameter.
	(create_static_range_type): Pass default stride
	parameter.
	(resolve_dynamic_range): Evaluate stride baton.
	* gdbtypes.h (TYPE_BYTE_STRIDE): New macro.
	(TYPE_BYTE_STRIDE_BLOCK): New macro.
	(TYPE_BYTE_STRIDE_LOCLIST): New macro.
	(TYPE_BYTE_STRIDE_KIND): New macro.
	* valarith.c (value_subscripted_rvalue): Use stride.

gdb/testsuite/Changelog:
	* vla-stride.exp: New file.
	* vla-stride.f90: New file.

Change-Id: I3cd90c5514dc8ea8c0f7b67f450d9a45822257dc