re PR fortran/35846 (ICE on nested character constructors)

re PR fortran/35846 (ICE on nested character constructors)

2008-09-21  Daniel Kraft  <d@domob.eu>

	PR fortran/35846
	* trans.h (gfc_conv_string_length): New argument `expr'.
	* trans-expr.c (flatten_array_ctors_without_strlen): New method.
	(gfc_conv_string_length): New argument `expr' that is used in a new
	special case handling if cl->length is NULL.
	(gfc_conv_subref_array_arg): Pass expr to gfc_conv_string_length.
	* trans-array.c (gfc_conv_expr_descriptor): Ditto.
	(gfc_trans_auto_array_allocation): Pass NULL as new expr.
	(gfc_trans_g77_array), (gfc_trans_dummy_array_bias): Ditto.
	(gfc_trans_deferred_array): Ditto.
	(gfc_trans_array_constructor): Save and restore old values of globals
	used for bounds checking.
	* trans-decl.c (gfc_trans_dummy_character): Ditto.
	(gfc_trans_auto_character_variable): Ditto.

2008-09-21  Daniel Kraft  <d@domob.eu>

	PR fortran/35846
	* gfortran.dg/nested_array_constructor_1.f90: New test.
	* gfortran.dg/nested_array_constructor_2.f90: New test.
	* gfortran.dg/nested_array_constructor_3.f90: New test.
	* gfortran.dg/nested_array_constructor_4.f90: New test.
	* gfortran.dg/nested_array_constructor_5.f90: New test.
	* gfortran.dg/nested_array_constructor_6.f90: New test.

From-SVN: r140529