2009-01-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38907
	Backport from trunk
	* resolve.c (check_host_association): Remove the matching to
	correct an incorrect host association and use manipulation of
	the expression instead.

2009-01-26  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/38859
	Backport from trunk
        * simplify.c (simplify_bound): Don't use array specification
        if variable or component has subsequent references.

2009-01-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	Backport from trunk.
	* module.c (write_common_0): Add argument 'this_module' and
	check that non-use associated common blocks are written first.
	(write_common): Call write_common_0 twice, once with true and
	then with false.

2009-01-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/38672
	Backport from trunk.
	* resolve.c (resolve_symbol):  Check for the
	presence of derived->ns->proc_name before
	accessing derived->ns->proc_name->attr.flavor .

2009-01-24  Release Manager

	* GCC 4.3.3 released.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Revert patch of 2009-01-10.

2009-01-14  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/35681
	* ChangeLog: Fix function name.

	PR fortran/38487
	* dependency.c (gfc_check_argument_var_dependency):
	Move the check for pointerness inside the if block
	so that it doesn't affect the return value.

	PR fortran/38669
	* trans-stmt.c (gfc_trans_call):
	Add the dependency code after the loop bounds calculation one.

2009-01-11 Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38763
	Backport from mainline:
	* target-memory.c (encode_derived): Encode NULL.

	PR fortran/38765
	Backport from mainline:
	* resolve.c (check_host_association): Use the symtree name to
	search for a potential contained procedure, since this is the
	name by which it would be referenced.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Use the name of the symtree rather
	than the common block, to determine if the common has been
	written.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38665
	* gfortran.h : Add bit to gfc_expr 'user_operator'
	* interface.c (gfc_extend_expr): Set the above if the operator
	is substituted by a function. 
	* resolve.c (check_host_association): Return if above is set.

2009-01-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR fortran/38675
	Backport from mainline:
	2008-12-09  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/37469
	* expr.c (find_array_element): Simplify array bounds.
	Assert that both bounds are constant expressions.

	2008-10-31  Mikael Morin  <mikael.morin@tele2.fr>

	* expr.c (gfc_reduce_init_expr): New function, containing checking code
	from gfc_match_init_expr, so that checking can be deferred. 
	(gfc_match_init_expr): Use gfc_reduce_init_expr.
	* match.h (gfc_reduce_init_expr): Prototype added. 

2008-12-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38602
	* trans-decl.c (init_intent_out_dt): Allow for optional args.

2008-12-21  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38487
	* dependency.c (gfc_is_data_pointer): New function.
	(gfc_check_argument_var_dependency): Disable the warning
	in the pointer case.
	(gfc_check_dependency): Use gfc_is_data_pointer.

2008-12-21  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38113
	* error.c (show_locus): Start counting columns at 0.
	* primary.c (match_actual_arg): Eat spaces
	before copying the current locus.
	(match_variable): Copy the locus before matching.

2008-12-21  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/35983
	* trans-expr.c (gfc_trans_subcomponent_assign):
	Add se's pre and post blocks to current block.
	(gfc_trans_structure_assign): Remove specific handling
	of C_NULL_PTR and C_NULL_FUNPTR.

2008-12-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35937
	* trans-expr.c (gfc_finish_interface_mapping): Fold convert the
	character length to gfc_charlen_type_node.

2008-12-04  Janis Johnson  <janis187@us.ibm.com>

	Backport from mainline:
	2008-10-18  Jakub Jelinek  <jakub@redhat.com>
	            Janis Johnson  <janis187@us.ibm.com>

	* Make-lang.in (check-f95-subtargets, check-fortran-subtargets): New
	aliases for check-gfortran-subtargets.
	(lang_checks_parallelized): Add check-gfortran.
	(check_gfortran_parallelize): New variable.

2008-11-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34820
	* trans-expr.c (gfc_conv_function_call): Remove all code to
	deallocate intent out derived types with allocatable
	components.
	(gfc_trans_assignment_1): An assignment from a scalar to an
	array of derived types with allocatable components, requires
	a deep copy to each array element and deallocation of the
	converted rhs expression afterwards.
	* trans-array.c : Minor whitespace.
	* trans-decl.c (init_intent_out_dt): Add code to deallocate
	allocatable components of derived types with intent out.
	(generate_local_decl): If these types are unused, set them
	referenced anyway but allow the uninitialized warning.

	PR fortran/34143
	* trans-expr.c (gfc_trans_subcomponent_assign): If a conversion
	expression has a null data pointer argument, nullify the
	allocatable component.

	PR fortran/32795
	* trans-expr.c (gfc_trans_subcomponent_assign): Only nullify
	the data pointer if the source is not a variable.

2008-11-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37735
	* trans-array.c (structure_alloc_comps): Do not duplicate the
	descriptor if this is a descriptorless array!

2008-11-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36526
	* interface.c (check_intents):  Correct error where the actual
	arg was checked for a pointer argument, rather than the formal.

2008-11-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38033
	* trans-array.c (gfc_trans_create_temp_array): Stabilize the
	'to' expression.
	(gfc_conv_loop_setup): Use the end expression for the loop 'to'
	if it is available.

2008-11-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37926
	* trans-expr.c (gfc_free_interface_mapping): Null sym->formal
	(gfc_add_interface_mapping): Copy the pointer to the formal
	arglist and set attr.always_explicit if this is a procedure.

2008-11-24  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/37792
	* fortran/resolve.c (resolve_fl_variable): Simplify the
	initializer if there is one.

2008-11-24  Mikael Morin <mikael.morin@tele2.fr>

	PR fortran/35681
	* dependency.c (gfc_check_argument_var_dependency): Add
	elemental check flag. Issue a warning if we find a dependency
	but don't generate a temporary. Add the case of an elemental
	function call as actual argument to an elemental procedure.
	Add the case of an operator expression as actual argument
	to an elemental procedure.
	(gfc_check_argument_dependency): Add elemental check flag.
	Update calls to gfc_check_argument_var_dependency.
	(gfc_check_fncall_dependency): Add elemental check flag.
	Update call to gfc_check_argument_dependency.
	* trans-stmt.c (gfc_trans_call): Make call to
	gfc_conv_elemental_dependencies unconditional, but with a flag
	whether we should check dependencies between variables.
	(gfc_conv_elemental_dependencies): Add elemental check flag.
	Update call to gfc_check_fncall_dependency.
	* trans-expr.c (gfc_trans_arrayfunc_assign): Update call to
	gfc_check_fncall_dependency.
	* resolve.c (find_noncopying_intrinsics): Update call to
	gfc_check_fncall_dependency.
	* dependency.h (enum gfc_dep_check): New enum.
	(gfc_check_fncall_dependency): Update prototype.

2008-11-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38171
	* module.c (load_equiv): Regression fix; check that equivalence
	members come from the same module only.

2008-11-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/37836
        * intrinsic.c (add_functions): Reference gfc_simplify._minval
	and gfc_simplify_maxval.
	* intrinsic.h : Add prototypes for gfc_simplify._minval and
	gfc_simplify_maxval.
	* simplify.c (min_max_choose): New function extracted from
	simplify_min_max.
	(simplify_min_max): Call it.
	(simplify_minval_maxval, gfc_simplify_minval,
	gfc_simplify_maxval): New functions.

2008-11-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/37597
        * parse.c (gfc_fixup_sibling_symbols ): Fixup contained, even
	when symbol not found.

2008-11-08  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/35820
	* resolve.c (gfc_count_forall_iterators): New function.
	(gfc_resolve_forall): Use gfc_count_forall_iterators to evaluate 
	the needed memory amount to allocate. Don't forget to free allocated 
	memory.  Add an assertion to check for memory leaks. 

2008-11-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/37445
        * resolve.c (resolve_call): Check host association is correct.
        (resolve_actual_arglist ): Remove return is old_sym is use
        associated.  Only reparse expression if old and new symbols
        have different types.

        PR fortran/PR35769
        * resolve.c (gfc_resolve_assign_in_forall): Change error to a
        warning.

2008-11-01  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/37903
        * trans-array.c (gfc_trans_create_temp_array): If n is less
	than the temporary dimension, assert that loop->from is
	zero (reverts to earlier versions). If there is at least one
	null loop->to[n], it is a callee allocated array so set the
	size to NULL and break.
	(gfc_trans_constant_array_constructor): Set the offset to zero.
	(gfc_trans_array_constructor): Remove loop shifting around the
	temporary creation.
	(gfc_conv_loop_setup): Prefer zero-based descriptors if
	possible.  Calculate the translation from loop variables to
	array indices if an array constructor.

2008-11-01  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/37749
        * trans-array.c (gfc_trans_create_temp_array): If size is NULL
	use the array bounds for loop->to.

2008-10-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/37723
        * dependency.c (gfc_dep_resolver ): If we find equal array
	element references, go on to the next reference.

2008-10-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/37787
        * dependency.c (gfc_are_equivalenced_arrays): Look in symbol
        namespace rather than current namespace, if it is available.

2008-10-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37794
	* module.c (check_for_ambiguous): Remove redundant code.

2008-10-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35680
	* gfortran.h : Add 'error' bit field to gfc_expr structure.
	* expr.c (check_inquiry): When checking a restricted expression
	check that arguments are either variables or restricted.
	(check_restricted): Do not emit error if the expression has
	'error' set.  Clean up detection of host-associated variable.

2008-10-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37706
	* module.c (load_equiv): Check the module before negating the
	unused flag.

2008-09-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/37580
	* expr.c (gfc_check_pointer_assign): Add checks for pointer
	remapping.

2008-09-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/37504
	* expr.c (gfc_check_pointer_assign): Allow assignment of
	protected pointers.

2008-09-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/37626
	* trans-array.c (gfc_trans_deferred_array): Don't auto-deallocate
	result variable.

2008-09-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35945
	* resolve.c (resolve_fl_variable_derived):  Remove derived type
	comparison for use associated derived types.  Host association
	of a derived type will not arise if there is a local derived type
	whose use name is the same.

	PR fortran/36700
	* match.c (gfc_match_call):  Use the existing symbol even if
	it is a function.

2008-09-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37583
	* decl.c (gfc_match_entry): Both subroutines and functions can
	give a true for get_proc_mame's last argument so remove the
	&& gfc_current_ns->proc_name->attr.function.
	resolve.c (resolve_actual_arglist): Add check for recursion by
	reference to procedure as actual argument.

2008-09-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37274
	PR fortran/36374
	* module.c (check_for_ambiguous): New function to test loaded
	symbol for ambiguity with fixup symbol.
	(read_module): Call check_for_ambiguous.
	(write_symtree): Do not write the symtree for symbols coming
	from an interface body.

	PR fortran/36374
	* resolve.c (count_specific_procs ): New function to count the
	number of specific procedures with the same name as the generic
	and emit appropriate errors for and actual argument reference.
	(resolve_assumed_size_actual): Add new argument no_formal_args.
	Correct logic around passing generic procedures as arguments.
	Call count_specific_procs from two locations.
	(resolve_function): Evaluate and pass no_formal_args.
	(resolve call): The same and clean up a bit by using csym more
	widely.

	PR fortran/36454
	* symbol.c (gfc_add_access): Access can be updated if use
	associated and not private.

2008-09-13  Daniel Kraft  <d@domob.eu>

	PR fortran/35770
	* primary.c (gfc_match_varspec): Added missing type-spec clearing
	after wrong implicit character typing.

2008-09-11  Daniel Kraft  <d@domob.eu>

	PR fortran/36214
	* simplify.c (simplify_cmplx): Added linebreak to long line.
	* target-memory.c (gfc_convert_boz): Fix indentation.
	(gfc_interpret_float): Set mpfr precision to right value before
	calling mpfr_init.

2008-09-08  Daniel Kraft  <d@domob.eu>

	PR fortran/37199
	* trans-expr.c (gfc_add_interface_mapping): Set new_sym->as.
	(gfc_map_intrinsic_function): Added checks against NULL bounds in
	array specs.

2008-09-05  Daniel Kraft  <d@domob.eu>

	PR fortran/35837
	* resolve.c (resolve_types): Restore gfc_current_ns on exit.
	* symbol.c (gfc_save_all): Removed blank line.

2008-09-04  Daniel Kraft  <d@domob.eu>

	* PR fortran/37099
	* expr.c (simplify_const_ref): Update expression's character length
	when pulling out a substring reference.

2008-08-30  Daniel Kraft  <d@domob.eu>

	PR fortran/37193
	* module.c (read_module): Initialize use_only flag on used symbols.

2008-06-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36371
	* expr.c (gfc_check_assign):  Change message and locus for
	error when conform == 0.

2008-08-27  Release Manager

	* GCC 4.3.2 released.

2008-07-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/36132

	* trans-array.c (gfc_conv_array_parameter): Fix packing/unpacking
	for nonpresent optional actuals to optional formals.
	* trans-array.h (gfc_conv_array_parameter): Update declaration.
	* trans-expr.c (gfc_conv_function_call,gfc_trans_arrayfunc_assign):
	Update gfc_conv_array_parameter calls.
	* trans-intrinsics (gfc_conv_intrinsic_transfer,
	gfc_conv_intrinsic_loc): Ditto.

2008-07-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36366
	* resolve.c (add_dt_to_dt_list):  New function.
	(resolve_fl_derived): Call new function for pointer components
	and when derived type resolved.

2008-07-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/36824
	* resolve.c (resolve_fl_derived): Fix constantness check
	for the array dimensions.

2008-06-20  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/34908
	PR fortran/36276
	* scanner.c (preprocessor_line): do not call gfc_free for
	current_file->filename if it differs from filename.

2008-06-06  Release Manager

	* GCC 4.3.1 released.

2008-05-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/36176
	* target-memory.c (gfc_target_expr_size): Correctly treat
	substrings.
	(gfc_target_encode_expr): Likewise.
	(gfc_interpret_complex): Whitespace change.

2008-05-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	Backport from mainline:
	PR fortran/35184
	* trans-array.c (gfc_conv_array_index_offset): Remove
	unnecessary assert.

2008-05-17  Paul Thomas  <pault@gcc.gnu.org>

	Backport from mainline:
	PR fortran/35756
	PR fortran/35759
	* trans-stmt.c (gfc_trans_where): Tighten up the dependency
	check for calling gfc_trans_where_3.

	PR fortran/35743
	* trans-stmt.c (gfc_trans_where_2): Set the mask size to zero
	if it is calculated to be negative.

	PR fortran/35745
	* trans-stmt.c (gfc_trans_where_3, gfc_trans_where_assign): Set
	ss->where for scalar right hand sides.
	* trans-array.c (gfc_add_loop_ss_code): If ss->where is set do
	not evaluate scalars outside the loop.  Clean up whitespace.
	* trans.h : Add a bitfield 'where' to gfc_ss.

	PR fortran/36233
	* interface.c (compare_actual_formal): Do not check sizes if the
	actual is BT_PROCEDURE.

2008-05-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35997
	* module.c (find_symbol): Do not return a result for a symbol
	that has been renamed in another module.

2008-05-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35864
	* expr.c (scalarize_intrinsic_call): Reorder identification of
	array argument so that if one is not found a segfault does not
	occur.  Return FAILURE if all scalar arguments.

	PR fortran/35780
	* expr.c (scalarize_intrinsic_call): Identify which argument is
	an array and use that as the template.
	(check_init_expr): Remove tests that first argument is an array
	in the call to scalarize_intrinsic_call.

2008-04-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/35994
	* trans-instrinsic.c (gfc_conv_intrinsic_minmaxloc):
	Correctly adjust loop counter offset.

2008-04-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35944
	PR fortran/35946
	PR fortran/35947
	* trans_array.c (gfc_trans_array_constructor): Temporarily
	realign loop, if loop->from is not zero, before creating
	the temporary array and provide an offset.

	PR fortran/35959
	* trans-decl.c (gfc_init_default_dt): Add gfc_ prefix to name
	and allow for NULL body.  Change all references from
	init_default_dt to gfc_init_default_dt.
	* trans.h : Add prototype for gfc_init_default_dt.
	* trans-array.c (gfc_trans_deferred_vars): After nullification
	call gfc_init_default_dt for derived types with allocatable
	components.

2008-04-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35724
	* iresolve.c (gfc_resolve_eoshift): Check for NULL symtree in
	test for optional argument attribute.

2008-04-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35932
	* trans-intrinsic.c (gfc_conv_intrinsic_char): Even though KIND
	is not used, the argument must be converted.

2008-04-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/35662
	* f95-lang.c (gfc_init_builtin_functions): Make sure
	BUILT_IN_SINCOS{,F,L} types aren't varargs.

2008-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/35786
	* openmp.c (resolve_omp_clauses): Diagnose if a clause symbol
	isn't a variable.

2008-04-01  Joseph Myers  <joseph@codesourcery.com>

	* gfortran.texi: Include gpl_v3.texi instead of gpl.texi
	* Make-lang.in (GFORTRAN_TEXI): Include gpl_v3.texi instead of
	gpl.texi.

2008-03-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35740
	* resolve.c (resolve_function, resolve_call): If the procedure
	is elemental do not look for noncopying intrinsics.

2008-03-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35698
	* trans-array.c (gfc_array_init_size): Set 'size' zero if
	negative in one dimension.

	PR fortran/35702
	* trans-expr.c (gfc_trans_string_copy): Only assign a char
	directly if the lhs and rhs types are the same.

2008-03-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35724
	* iresolve.c (gfc_resolve_cshift): Check for NULL symtree in
	test for optional argument attribute.

2008-03-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34813
	* resolve.c (resolve_structure_cons): It is an error to assign
	NULL to anything other than a pointer or allocatable component.

	PR fortran/33295
	* resolve.c (resolve_symbol): If the symbol is a derived type,
	resolve the derived type.  If the symbol is a derived type
	function, ensure that the derived type is visible in the same
	namespace as the function.

2008-03-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35474
	* module.c (mio_symtree_ref): After providing a symbol for a
	missing equivalence member, resolve and NULL the fixups.

2008-03-05  Release Manager

	* GCC 4.3.0 released.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.

2008-02-28  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2008-02-25  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR target/25477
	* trans-expr.c (gfc_conv_power_op): Use BUILT_IN_CPOW{F,,L}.
	* f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_CPOW{F,,L}.
	* trans.h (gfor_fndecl_math_cpow, gfor_fndecl_math_cpowf,
	gfor_fndecl_math_cpowl10, gfor_fndecl_math_cpowl16): Remove.
	* trans-decl.c: Likewise.

2008-02-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/34952
	* gfortran.texi: Create new section for unimplemented extensions.
	Add "STRUCTURE and RECORD" and "ENCODE and DECODE statements".
	Remove "smaller projects" list. Fix a few typos.

2008-02-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* intrinsic.texi: Rename INDEX node to avoid clashing with
	index.html on case-insensitive systems.

2008-02-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/35150
	* trans-expr.c (gfc_conv_function_call): Force evaluation of
	se->expr.

2008-02-10  Daniel Franke  <franke.daniel@gmail.com>

	fortran/PR35019
	* lang.opt: Allow '-J<dir>' next to '-J <dir>', 
	likewise '-I <dir>' and '-I<dir>'.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR other/35107
	* Make-lang.in (f951): Add $(GMPLIBS).

2008-02-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/35037
	* trans-common.c (build_field): Mark fields as volatile when needed.

2008-02-05  Tobias Burnus  <burnus@net-b.de>

	PR fortran/35093
	* data.c (gfc_assign_data_value): Only free "size" if
	it has not already been freed.

2008-02-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34945
	* array.c (match_array_element_spec): Remove check for negative
	array size.
	(gfc_resolve_array_spec): Add check for negative size.

2008-02-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32315
	* data.c (gfc_assign_data_value): Add bounds check for array
	references.

2008-02-04  Daniel Franke  <franke.daniel@gmail.com>

	* resolve.c (resolve_where): Fix typo.
	(gfc_resolve_where_code_in_forall): Likewise.

2008-02-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32760
	* resolve.c (resolve_allocate_deallocate): New function.
	(resolve_code): Call it for allocate and deallocate.
	* match.c (gfc_match_allocate, gfc_match_deallocate) : Remove
	the checking of the STAT tag and put in above new function.
	* primary,c (match_variable): Do not fix flavor of host
	associated symbols yet if the type is not known.

2008-01-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34910
	* expr.c (gfc_check_assign): It is an error to assign
	to a sibling procedure.

2008-01-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34975
	* symbol.c (gfc_delete_symtree, gfc_undo_symbols): Rename
	delete_symtree to gfc_delete_symtree.
	* gfortran.h : Add prototype for gfc_delete_symtree.
	* module.c (load_generic_interfaces): Transfer symbol to a
	unique symtree and delete old symtree, instead of renaming.
	(read_module): The rsym and the found symbol are the same, so
	the found symtree can be deleted.

	PR fortran/34429
	* decl.c (match_char_spec): Remove the constraint on deferred
	matching of functions and free the length expression.
	delete_symtree to gfc_delete_symtree.
	(gfc_match_type_spec): Whitespace.
	(gfc_match_function_decl): Defer characteristic association for
	all types except BT_UNKNOWN.
	* parse.c (decode_specification_statement): Only derived type
	function matching is delayed to the end of specification.

2008-01-28  Tobias Burnus  <burnus@net-b.de>

	PR libfortran/34980
	* simplify.c (gfc_simplify_shape): Simplify rank zero arrays.

2008-01-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34990
	* array.c (gfc_check_constructor_type): Revert clearing the expression.

2008-01-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34848
	* trans-expr.c (gfc_conv_function_call): Don't call
	gfc_add_interface_mapping if the expression is NULL.

2008-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/31610
	* trans-array.c (gfc_trans_create_temp_array): Remove call to
	gcc_assert (integer_zerop (loop->from[n])).

2008-01-25  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/34661
	* resolve.c (resolve_where): Added check if user-defined assignment 
	operator is an elemental subroutine.
	(gfc_resolve_where_code_in_forall): Likewise.

2008-01-24  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/33375
	PR fortran/34858
	* gfortran.h: Revert changes from 2008-01-17.
	* match.c: Likewise.
	* symbol.c: Likewise.
	(gfc_undo_symbols): Undo namespace changes related to common blocks.

2008-01-24  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/34202
	* data.c (formalize_structure_cons): Skip formalization on
	empty structures.

2008-01-24  Daniel Franke  <franke.daniel@gmail.com>

	* gfortran.texi (OpenMP): Extended existing documentation.
	(contributors): Added major contributors of 2008 that were
	not listed yet.
	(proposed extensions): Removed implemented items.

2008-01-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34872
	* parse.c (next_statement) : If ST_GET_FCN_CHARACTERISTICS  is
	seen, check for a statement label and, if present, delete it
	and set the locus to the start of the statement.

2008-01-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34875
	* trans-io.c (gfc_trans_transfer): If the array reference in a
	read has a vector subscript, use gfc_conv_subref_array_arg to
	copy back the temporary.

2008-01-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34848
	* interface.c (compare_actual_formal): Fix adding type
	to missing_arg_type for absent optional arguments.

2008-01-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34907
	* parse.c (parse_spec): Change = into ==.

2008-01-22  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/34915
	* expr.c (check_elemental): Fix check for valid data types.

2008-01-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34899
	* scanner.c (load_line): Support <tab><digit> continuation lines.
	* invoke.texi (-Wtabs): Document this.

2008-01-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34896
	* module.c (read_module): Set use_rename attribute.

2007-01-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34901
	* interface.c (compare_parameter): Improved error message
	for arguments of same type and mismatched kinds.

2008-01-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34861
	* resolve.c (resolve_entries): Do not do an array bounds check
	if the result symbols are the same.

	PR fortran/34854
	* module.c (read_module) : Hide the symtree of the previous
	version of the symbol if this symbol is renamed.

2008-01-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34784
	* array.c (gfc_check_constructor_type): Clear the expression ts
	so that the checking starts from the deepest level of array
	constructor.
	* primary.c (match_varspec): If an unknown type is changed to
	default character and the attempt to match a substring fails,
	change it back to unknown.

	PR fortran/34785
	* trans-array.c (gfc_add_loop_ss_code) : If ss->string_length is
	NULL for an array constructor, use the cl.length expression to
	build it.
	(gfc_conv_array_parameter): Change call to gfc_evaluate_now to
	a tree assignment.

2008-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/34817
	PR fortran/34838
	* iresolve.c (gfc_resolve_all):  Remove conversion of mask
	argument to kind=1 by removing call to resolve_mask_arg().
	(gfc_resolve_any):  Likewise.

2008-01-19  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34760
	* primary.c (match_variable): Handle FL_UNKNOWN without
	uneducated guessing.
	(match_variable): Improve error message.

2008-01-18  Tobias Burnus  <burnus@net-b.de>

	PR fortran/32616
	* interface.c (get_expr_storage_size): Return storage size
	for array element designators.
	(compare_actual_formal): Reject unequal string sizes for
	assumed-shape dummy arguments. And fix error message for
	array-sections with vector subscripts.

2008-01-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34556
	* simplify.c (is_constant_array_expr): New static function that returns
	true if the given expression is an array and is constant.
	(gfc_simplify_reshape): Use new function.

2008-01-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/33375
	* symbol.c (free_common_tree): Renamed to ...
	(gfc_free_common_tree): This.  Remove static.
	(gfc_free_namespace): Updated.

	* gfortran.h (gfc_free_common_tree): New.

	* match.c (gfc_match_common): Call gfc_free_common_tree () with
	gfc_current_ns->common_root and set gfc_current_ns->common_root
	to NULL on syntax error.

2008-01-18  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR fortran/34686
	* trans-expr.c (gfc_conv_function_call): Use proper
	type for returned character pointers.

2008-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34429
	PR fortran/34431
	PR fortran/34471
	* decl.c : Remove gfc_function_kind_locus and
	gfc_function_type_locus. Add gfc_matching_function.
	(match_char_length): If matching a function and the length
	does not match, return MATCH_YES and try again later.
	(gfc_match_kind_spec): The same.
	(match_char_kind): The same.
	(gfc_match_type_spec): The same for numeric and derived types.
	(match_prefix): Rename as gfc_match_prefix.
	(gfc_match_function_decl): Except for function valued character
	lengths, defer applying kind, type and charlen info until the
	end of specification block.
	gfortran.h (gfc_statement): Add ST_GET_FCN_CHARACTERISTICS.
	parse.c (decode_specification_statement): New function.
	(decode_statement): Call it when a function has kind = -1. Set
	and reset gfc_matching function, as function statement is being
	matched.
	(match_deferred_characteristics): Simplify with a single call
	to gfc_match_prefix. Do appropriate error handling. In any
	case, make sure that kind = -1 is reset or corrected.
	(parse_spec): Call above on seeing ST_GET_FCN_CHARACTERISTICS.
	Throw an error if kind = -1 after last specification statement.
	parse.h : Prototype for gfc_match_prefix.

2008-01-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34796
	* interface.c (compare_parameter): Allow AS_DEFERRED array
	elements and reject attr.pointer array elemenents.
	(get_expr_storage_size): Return storage size of elements of
	assumed-shape and pointer arrays.

2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>

	* f95-lang.c (gfc_init_builtin_functions): Initialize GOMP builtins
	for flag_tree_parallelize_loops.

2008-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/34671
	* iresolve.c (gfc_resolve_all):  Call resolve_mask_arg.
	(gfc_resolve_any):  Likewise.
	(gfc_resolve_count):  Likewise.  Don't append kind of
	argument to function name.

2008-01-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34665
	* resolve.c (resolve_actual_arglist): For expressions,
	also check for assume-sized arrays.
	* interface.c (compare_parameter): Move F2003 character checks
	here, print error messages here, reject elements of
	assumed-shape array as argument to dummy arrays.
	(compare_actual_formal): Update for the changes above.

2008-01-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34763
	* decl.c (contained_procedure): Only check directly preceeding state.

2008-01-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34759
	* check.c (gfc_check_shape): Accept array ranges of
	assumed-size arrays.

2008-01-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34432
	* match.c (gfc_match_name): Don't error if leading character is a '(',
	just return MATCH_NO.

2008-01-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34722
	* trans-io.c (create_dummy_iostat): Commit the symbol.

2008-01-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34537
	* simplify.c (gfc_simplify_transfer): Return NULL if the size
	of the element is unavailable and only assign character length
	to the result, if 'mold' is constant.

2008-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34396
	* trans-array.c (gfc_trans_array_ctor_element):  Use gfc_trans_string_copy
	to assign strings and perform bounds checks on the string length.
	(get_array_ctor_strlen): Remove bounds checking.
	(gfc_trans_array_constructor): Initialize string length checking.
	* trans-array.h : Add prototype for gfc_trans_string_copy.

2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR fortran/34706
	PR tree-optimization/34683
	* trans-types.c (gfc_get_array_type_bounds): Use an array type
	with known size for accesses if that is known.

2008-01-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34476
	* expr.c (find_array_element): Check that the array bounds are
	constant before using them.  Use lower, as well as upper bound.
	(check_restricted): Allow implied index variable.

2008-01-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34681
	* trans_array.c (gfc_trans_deferred_array): Do not null the
	data pointer on entering scope, nor deallocate it on leaving
	scope, if the symbol has the 'save' attribute.

	PR fortran/34704
	* trans_decl.c (gfc_finish_var_decl): Derived types with
	allocatable components and an initializer must be TREE_STATIC.

2008-01-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34672
	* module.c (write_generic): Rewrite completely.
	(write_module): Change call to write_generic.

2008-01-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34659
	* scanner.c (load_line): Do not count ' ' as printable when checking for
	continuations.

2008-01-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34545
	* module.c (load_needed): If the namespace has no proc_name
	give it the module symbol.

2008-01-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34387
	* trans-expr.c (gfc_conv_missing_dummy): Use a temporary to type convert
	the dummy variable expression, test for NULL, and pass the variable
	address to the called function.

2007-01-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34658
	* match.c (gfc_match_common): Remove blank common in
	DATA BLOCK warning.
	* resolve.c (resolve_common_vars): New function.
	(resolve_common_blocks): Move checks to resolve_common_vars
	and invoke that function.
	(resolve_types): Call resolve_common_vars for blank commons.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34655
	* resolve.c (resolve_equivalence_derived): Reject derived types with
	default initialization if equivalenced with COMMON variable.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34654
	* io.c (check_io_constraints): Disallow unformatted I/O for
	internal units.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34660
	* resolve.c (resolve_formal_arglist): Reject dummy procedure in
	ELEMENTAL functions.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34662
	* interface.c (compare_actual_formal): Reject parameter
	actual to intent(out) dummy.

2008-01-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34557
	* primary.c (match_varspec): Gobble whitespace before
	checking for '('.
