re PR middle-end/39701 (Revision 145846 caused many test failures)

[gcc.git] / gcc / fortran / ChangeLog

2009-04-10  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/38709
	* expr.c (find_array_section): Leave early on zero-sized arrays.

2009-04-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36704
	* decl.c (add_hidden_procptr_result): New function for handling
	procedure pointer return values by adding a hidden result variable.
	(variable_decl,match_procedure_decl,gfc_match_function_decl,
	gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
	return values.
	* parse.c (parse_interface): Add EXTERNAL attribute only after
	FUNCTION/SUBROUTINE declaration is complete.
	* primary.c (replace_hidden_procptr_result): New function for replacing
	function symbol by hidden result variable.
	(gfc_match_rvalue,match_variable): Replace symbol by hidden result
	variable.
	* resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
	resolve_symbol): Allow for procedure pointer function results.
	(resolve_fl_procedure): Conflict detection moved here from
	'check_conflict'.
	* symbol.c (gfc_check_function_type): Allow for procedure pointer
	function results.
	(check_conflict): Move some conflict detection to resolution stage.
	* trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
	result variables.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

	* trans-types.c (gfc_init_types): Ensure gfc_integer_types doesn't
	contain TYPE_STRING_FLAG types.

2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/39670
	* invoke.texi (fdollar-ok): Fix typo.
	
2009-04-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/39670
	* invoke.texi (fdollar-ok): Clarify limitations.

2009-04-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* trans-array.c (gfc_trans_deferred_array): Return if this
	is a result variable.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38152
	* trans-decl.c (gfc_get_symbol_decl): Correctly set decl location for
	procedure pointer decls.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38290
	* expr.c (gfc_check_pointer_assign): Enable interface check for
	procedure pointers.
	* gfortran.h: Add copy_formal_args_intr.
	* interface.c (gfc_compare_interfaces): Call gfc_compare_intr_interfaces
	if second argument is an intrinsic.
	(compare_intr_interfaces): Correctly set attr.function, attr.subroutine
	and ts.
	(compare_parameter): Call gfc_compare_interfaces also for intrinsics.
	* resolve.c (resolve_specific_f0,resolve_specific_s0): Don't resolve
	intrinsic interfaces here. Must happen earlier.
	(resolve_symbol): Resolution of intrinsic interfaces moved here from
	resolve_specific_..., and formal args are now copied from intrinsic
	interfaces.
	* symbol.c (copy_formal_args_intr): New function to copy the formal
	arguments from an intinsic procedure.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* dependency.c (ref_same_as_full_array): New function.
	(gfc_dep_resolver): Call it.

2009-04-06  Janus Weil  <janus@gcc.gnu.org>

       PR fortran/39414
       * decl.c (match_procedure_decl): Fix double declaration problems with
       PROCEDURE statements.
       * symbol.c (gfc_add_type): Ditto.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/36091
        * trans-array.c (gfc_conv_array_ref): If the symbol has the
	temporary attribute use the array_spec for the bounds.
	* gfortran.h : Add the temporary field to the structure
	'symbol_attribute'.
	* trans-stmt.c (forall_make_variable_temp): Set the symbol's
	temporary attribute.

2009-04-05  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/29458
	* trans-array.c (gfc_trans_array_constructor_value): Shadow
	implied do-loop variable to avoid spurious middle-end warnings.

2009-04-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39577
	* trans-decl.c (gfc_generate_function_code): Move recursive
	check to the right position.

2009-04-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37614
	* trans-common.c (translate_common): Do not offset the whole
	coomon block.

2009-04-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39594
	* resolve.c (resolve_common_vars): Add FL_VARIABLE to symbol
	if it is not a procedure pointer.
	* primary.c (match_actual_arg): Ditto.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/15638
	* cpp.c (cb_cpp_error): Handle CPP_DL_FATAL.

2009-03-30  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/38389
	* trans-stmt.c(gfc_trans_allocate): Add translation of ERRMSG.
	(gfc_trans_deallocate): Add translation of ERRMSG.  Remove stale
	comments.  Minor whitespace cleanup.
	* resolve.c(is_scalar_expr_ptr): Whitespace cleanup.
	(resolve_deallocate_expr (gfc_expr *e): Update error message.
	(resolve_allocate_expr):  Remove dead code.  Update error message.
	Move error checking to ...
	(resolve_allocate_deallocate): ... here.  Add additional error
	checking for STAT, ERRMSG, and allocate-objects.
	* match.c(gfc_match_allocate,gfc_match_deallocate):  Parse ERRMSG.
	Check for redundant uses of STAT and ERRMSG.  Reword error message
	and add checking for pointer, allocatable, and proc_pointer attributes.

2009-03-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/22571
	PR fortran/26227
	PR fortran/24886
	* symbol.c : Add gfc_global_ns_list.
	* decl.c (add_global_entry): Set the namespace ('ns') field.
	* gfortran.h : Add the resolved field to gfc_namespace. Add the
	namespace ('ns') field to gfc_gsymbol.  Add flag_whole_file to
	gfc_option_t.  Add the prototype for gfc_free_dt_list.
	* lang.opt : Add the whole-file option.
	* invoke.texi : Document the whole-file option.
	* resolve.c (resolve_global_procedure): If the fwhole-file
	option is set, reorder gsymbols to ensure that translation is
	in the right order.  Resolve the gsymbol's namespace if that
	has not occurred and then check interfaces.
	(resolve_function): Move call to resolve_global_procedure.
	(resolve_call): The same.
	(resolve_codes): Store the current labels_obstack.
	(gfc_resolve) : Return if the namespace is already resolved.
	trans-decl.c (gfc_get_extern_function_decl): If the whole_file
	option is selected, use the backend_decl of a gsymbol, if it is
	available.
	parse.c (add_global_procedure, add_global_program): If the flag
	whole-file is set, add the namespace to the gsymbol.
	(gfc_parse_file): On -fwhole-file, put procedure namespaces on
	the global namespace list.  Rearrange to do resolution of all
	the procedures in a file, followed by their translation.
	* options.c (gfc_init_options): Add -fwhole-file.
	(gfc_handle_option): The same.

2009-03-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL
	family of intrinsics instead of BUILT_IN_INF family.
	* trans-intrinsics.c (gfc_conv_intrinsic_nearest): Use
	BUILT_IN_HUGE_VAL instead of BUILT_IN_INF.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

	* trans-types.c (gfc_sym_type, gfc_return_by_reference): For
	sym->attr.result check sym->ns->proc_name->attr.is_bind_c.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

	PR rtl-optimization/323
	* options.c (gfc_post_options): Set
	flag_excess_precision_cmdline.  Give an error for
	-fexcess-precision=standard for processors where the option is
	significant.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/34695
	* cpp.c (cb_cpp_error): New.
	(gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
	Don't check cpp_errors (cpp_in).
	(gfc_cpp_init_0): Set cb->error.

2009-03-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/38823
	* gfortran.h: Add ARITH_PROHIBIT to arith enum.
	expr.c (gfc_match_init_expr): Add global variable init_flag to
	flag matching an initialization expression.
	(check_intrinsic_op): Move no longer reachable error message to ...
	* arith.c (arith_power): ... here.  Remove gfc_ prefix in
	gfc_arith_power.  Use init_flag.  Allow constant folding of x**y
	when y is REAL or COMPLEX.
	(eval_intrinsic): Remove restriction that y in x**y must be INTEGER
	for constant folding.
	* gfc_power: Update gfc_arith_power to arith_power

2009-03-29  Daniel Kraft  <d@domob.eu>

	PR fortran/37423
	* gfortran.h (struct gfc_typebound_proc): Added new flag `deferred' and
	added a comment explaining DEFERRED binding handling.
	* decl.c (match_binding_attributes): Really match DEFERRED attribute.
	(match_procedure_in_type): Really match PROCEDURE(interface) syntax
	and do some validity checks for DEFERRED and this construct.
	* module.c (binding_overriding): New string constant for DEFERRED.
	(mio_typebound_proc): Module-IO DEFERRED flag.
	* resolve.c (check_typebound_override): Ensure that a non-DEFERRED
	binding is not overridden by a DEFERRED one.
	(resolve_typebound_procedure): Allow abstract interfaces as targets
	for DEFERRED bindings.
	(ensure_not_abstract_walker), (ensure_not_abstract): New methods.
	(resolve_fl_derived): Use new `ensure_not_abstract' method for
	non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
	binding is overridden.
	(check_typebound_baseobject): New method.
	(resolve_compcall), (resolve_typebound_call): Check base-object of
	the type-bound procedure call.
	* gfc-internals.texi (Type-bound procedures): Document a little bit
	about internal handling of DEFERRED bindings.