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+2006-10-08 Erik Edelmann <edelmann@gcc.gnu.org>
+ Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/20541
+ * interface.c (gfc_compare_derived_types): Add comparison of
+ the allocatable field.
+ * intrinsic.c (add_subroutines): Add MOVE_ALLOC.
+ * trans-expr.c (gfc_conv_aliased_arg, gfc_trans_subarray_assign,
+ gfc_trans_subcomponent_assign, gfc_conv_string_parameter,
+ gfc_trans_scalar_assign): Add extra arguments l_is_temp
+ and r_is_var to references to latter function.
+ (gfc_conv_function_call): Add enum for types of argument and
+ an associated variable parm_kind. Deallocate components of
+ INTENT(OUT) and non-variable arrays.
+ (gfc_trans_subcomponent_assign): Add block to assign arrays
+ to allocatable components.
+ (gfc_trans_scalar_assign): Add block to handle assignments of
+ derived types with allocatable components, using the above new
+ arguments to control allocation/deallocation of memory and the
+ copying of allocated arrays.
+ * trans-array.c (gfc_array_allocate): Remove old identification
+ of pointer and replace with that of an allocatable array. Add
+ nullify of structures with allocatable components.
+ (gfc_conv_array_initializer): Treat EXPR_NULL.
+ (gfc_conv_array_parameter): Deallocate allocatable components
+ of non-variable structures.
+ (gfc_trans_dealloc_allocated): Use second argument of library
+ deallocate to inhibit, without error, freeing NULL pointers.
+ (get_full_array_size): New function to return the size of a
+ full array.
+ (gfc_duplicate_allocatable): New function to allocate and copy
+ allocated data.
+ (structure_alloc_comps): New recursive function to deallocate,
+ nullify or copy allocatable components.
+ (gfc_nullify_alloc_comp, gfc_deallocate_alloc_comp,
+ gfc_copy_alloc_comp): New interface functions to call previous.
+ (gfc_trans_deferred_array): Add the code to nullify allocatable
+ components, when entering scope, and to deallocate them on
+ leaving. Do not call gfc_trans_static_array_pointer and return
+ for structures with allocatable components and default
+ initializers.
+ * symbol.c (gfc_set_component_attr): Set allocatable field.
+ (gfc_get_component_attr): Set the allocatable attribute.
+ * intrinsic.h : Prototype for gfc_check_move_alloc.
+ * decl.c (build_struct): Apply TR15581 constraints for
+ allocatable components.
+ (variable_decl): Default initializer is always NULL for
+ allocatable components.
+ (match_attr_spec): Allow, or not, allocatable components,
+ according to the standard in force.
+ * trans-array.h : Prototypes for gfc_nullify_alloc_comp,
+ gfc_deallocate_alloc_comp, gfc_copy_alloc_comp and
+ gfc_duplicate_allocatable.
+ * gfortran.texi : Add mention of TR15581 extensions.
+ * gfortran.h : Add attribute alloc_comp, add
+ gfc_components field allocatable and add the prototype
+ for gfc_expr_to_initialize.
+ * trans-stmt.c (generate_loop_for_temp_to_lhs,
+ generate_loop_for_rhs_to_temp, gfc_trans_where_assign,
+ gfc_trans_where_3): Add extra arguments to calls to
+ gfc_trans_scalar_assign and set appropriately.
+ (gfc_trans_allocate): Nullify allocatable components.
+ (gfc_trans_deallocate): Deallocate to ultimate allocatable
+ components but stop at ultimate pointer components.
+ * module.c (mio_symbol_attribute, mio_symbol_attribute,
+ mio_component): Add module support for allocatable
+ components.
+ * trans-types.c (gfc_get_derived_type): Treat allocatable
+ components.
+ * trans.h : Add two boolean arguments to
+ gfc_trans_scalar_assign.
+ * resolve.c (resolve_structure_cons): Check conformance of
+ constructor element and the component.
+ (resolve_allocate_expr): Add expression to nullify the
+ constructor expression for allocatable components.
+ (resolve_transfer): Inhibit I/O of derived types with
+ allocatable components.
+ (resolve_fl_derived): Skip check of bounds of allocatable
+ components.
+ * trans-decl.c (gfc_get_symbol_decl): Add derived types
+ with allocatable components to deferred variable.
+ (gfc_trans_deferred_vars): Make calls for derived types
+ with allocatable components to gfc_trans_deferred_array.
+ (gfc_generate_function_code): Nullify allocatable
+ component function result on entry.
+ * parse.c (parse_derived): Set symbol attr.allocatable if
+ allocatable components are present.
+ * check.c (gfc_check_allocated): Enforce attr.allocatable
+ for intrinsic arguments.
+ (gfc_check_move_alloc): Check arguments of move_alloc.
+ * primary.c (gfc_variable_attr): Set allocatable attribute.
+ * intrinsic.texi : Add index entry and section for
+ for move_alloc.
+
+2006-10-08 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/29115
+ * resolve.c (resolve_structure_cons): It is an error if the
+ pointer component elements of a derived type constructor are
+ not pointer or target.
+
+
+ PR fortran/29211
+ * trans-stmt.c (generate_loop_for_temp_to_lhs,
+ generate_loop_for_rhs_to_temp): Provide a string length for
+ the temporary by copying that of the other side of the scalar
+ assignment.
+
2006-10-08 Tobias Burnus <burnus@net-b.de>
PR fortran/28585