Fortran: Typeprint, fix dangling types.

Show the type of not-allocated and/or not-associated types
as this is known.  For array types and pointer to array types
we are going to print the number of ranks.

2016-06-30  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/ChangeLog:
	* f-typeprint.c (f_print_type): Don't bypass dangling types.
	  (f_type_print_varspec_suffix): Add print_rank parameter.
	  (f_type_print_varspec_suffix): Print ranks of array types
	  in case they dangling.
	  (f_type_print_base): Add print_rank parameter.

gdb/Testsuite/ChangeLog:
	* gdb.fortran/pointers.f90: New.
	* gdb.fortran/print_type.exp: New.
	* gdb.fortran/vla-ptype.exp: Adapt expected results.
	* gdb.fortran/vla-type.exp: Likewise.
	* gdb.fortran/vla-value.exp: Likewise.
	* gdb.mi/mi-vla-fortran.exp: Likewise.

Change-Id: Ib55f28b4092cf88e34918449a2ebb6e5daafe512