re PR fortran/50050 (Internal compiler error free_expr0 at expr.c:3709 via gfc_done_2)

re PR fortran/50050 (Internal compiler error free_expr0 at expr.c:3709 via gfc_done_2)

2011-08-22  Mikael Morin  <mikael.morin@gcc.gnu.org>

	PR fortran/50050
	* gfortran.h (gfc_clear_shape, gfc_free_shape): New prototypes.
	* expr.c (gfc_clear_shape, gfc_free_shape): New functions.
	(free_expr0): Re-use gfc_free_shape.
	* trans-expr.c (gfc_trans_subarray_assign): Ditto.
	* trans-io.c (transfer_array_component): Ditto.
	* resolve.c (check_host_association): Ditto.
	(gfc_expr_to_initialize): Don't force the rank value and free the shape
	after updating the expression. Recalculate shape and rank.
	(resolve_where_shape): Re-use gfc_clear_shape.
	* array.c (gfc_array_ref_shape): Ditto.

2011-08-22  Mikael Morin  <mikael.morin@gcc.gnu.org>

	PR fortran/50050
	* gfortran.dg/alloc_comp_initializer_3.f90: New test.

From-SVN: r177956