2011-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/45786
	* interface.c (gfc_equivalent_op):  New function.
	(gfc_check_interface):  Use gfc_equivalent_op instead
	of switch statement.
	* decl.c (access_attr_decl):  Also set access to an
	equivalent operator.

2011-04-28  Release Manager

	* GCC 4.5.3 released.

2011-04-05  Duncan Sands  <baldrick@free.fr>

	* f95-lang.c (build_builtin_fntypes): Swap frexp and scalbn parameter
	types.

2011-03-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/47348
	* trans-array.c (get_array_ctor_all_strlen): Move up in file.
	(get_array_ctor_var_strlen): Add block dummy and add call to
	get_array_ctor_all_strlen instead of giving up on substrings.
	Call gcc_unreachable for default case.
	(get_array_ctor_strlen): Add extra argument to in call to
	get_array_ctor_var_strlen.

2011-01-27  Tobias Burnus  <burnus@net-b.de>

	Backport from mainline
	2011-02-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/47886
	* openmp.c (gfc_resolve_omp_directive): Resolve if()
	condition of OpenMP's task.

2011-02-19  Tobias Burnus

	PR fortran/47775
	* trans-expr.c (arrayfunc_assign_needs_temporary): Use
	esym to check whether the specific procedure returns an
	allocatable or pointer.

2011-02-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/47569
	* interface.c (compare_parameter): Avoid ICE with
	character components.

2011-01-25  Tobias Burnus  <burnus@net-b.de>

	Backport from mainline
	2011-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/47331
	* gfortran.h (struct gfc_omp_saved_state): New type.
	(gfc_omp_save_and_clear_state, gfc_omp_restore_state): New prototypes.
	* resolve.c (resolve_global_procedure): Call it around gfc_resolve
	call.
	* openmp.c (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New
	functions.

2011-01-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/47448
	* interface.c (gfc_check_operator_interface): Fix
	defined-assignment check.

2011-01-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/47394
	* error.c (gfc_error_now, gfc_fatal_error, gfc_error_check):
	Use defined instead of magic number exit status codes.
	* scanner.c (include_line, gfc_new_file): Ditto.
	* gfortranspec.c (lang_specific_driver): Ditto.

2011-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-12-14  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/46874
	* trans-openmp.c (gfc_trans_omp_array_reduction): Handle allocatable
	dummy variables.

2011-01-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/45777
	* symbol.c (gfc_symbols_could_alias):  Strip gfc_ prefix,
	make static and move in front of its only caller, to ...
	* trans-array.c (symbols_could_alias): ... here.
	Pass information about pointer and target status as
	arguments.  Allocatable arrays don't alias anything
	unless they have the POINTER attribute.
	(gfc_could_be_alias):  Keep track of pointer and target
	status when following references.  Also check if typespecs
	of components match those of other components or symbols.
	* gfortran.h:  Remove prototype for gfc_symbols_could_alias.

2011-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from mainline
	PR fortran/45338
	* resolve.c (resolve_operator):  Mark function for user-defined
	operator as referenced.

2010-12-16  Release Manager

	* GCC 4.5.2 released.

2010-12-07  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-12-02  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/46753
	* trans-openmp.c (gfc_trans_omp_do): Use build2_loc instead of
	fold_build2_loc for OMP_FOR conditions.

2010-12-04  Daniel Kraft  <d@domob.eu>

	PR fortran/46794
	* trans-expr.c (gfc_conv_power_op): Handle kind of result expression
	correctly for integer kind 1 and 2 operands.

2010-11-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/46638
	* target-memory.c (gfc_interpret_derived): Correctly handle
	component offset.

2010-11-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/45742
	* trans-common.c (build_field): Add TREE_SIDE_EFFECTS for volatile.
	* trans-decl.c (gfc_finish_var_decl): Ditto.
	(create_function_arglist): Handle volatile dummy arguments.

2010-11-01  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/46152
	* fortran/match.c (match_derived_type_spec): Reoplace gfc_match_symbol
	with a gfc_find_symbol to prevent namespace pollution.  Remove dead
	code.
	(match_type_spec): Remove parsing of '::'.  Collapse character
	kind checking to one location.
	(gfc_match_allocate): Use correct locus in error message.

2010-10-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/46140
	* fortran/scanner.c (include_line): Check return value of load_file.

2010-10-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/45748
	* resolve.c (resolve_formal_arglist): Avoid setting default type for
	formal arguments of intrinsic procedures.

2010-09-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/45081
	* simplify.c (is_constant_array_expr): Allow structure array
	elements as well as constants.
	(gfc_simplify_pack, gfc_simplify_reshape, gfc_simplify_spread,
	gfc_simplify_transpose, gfc_simplify_unpack): Copy the derived
	type of source to the result.

2010-09-08  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/45595
	* openmp.c (resolve_omp_do): Report not enough do loops for
	collapse even if block->next is NULL.

2010-09-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/45530
	* resolve.c (resolve_fl_namelist): Change constraint checking
	order to prevent endless loop.

2010-09-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/45489
	* resolve.c (apply_default_init): Mark symbol as referenced,
	if it is initialized.
	(resolve_symbol): Change intialized check for BT_DERIVED such
	that also function results get initialized.

2010-09-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/45019
	* dependency.c (gfc_check_dependency): Add argument alising check.
	* symbol.c (gfc_symbols_could_alias): Add argument alising check.

2010-08-20  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/45344
	Backport from mainline
	2010-05-14  Jakub Jelinek  <jakub@redhat.com>

	* trans.c (trans_code): Set backend locus early.
	* trans-decl.c (gfc_get_fake_result_decl): Use source location
	of the function instead of current input_location.

2010-08-17  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/45186
	* trans.c (gfc_annotate_with_location): New function.
	(trans_code): Use it.

2010-08-09  Janus Weil  <janus@gcc.gnu.org>

	* intrinsic.texi: Correct documentation of ASINH, ACOSH and ATANH.

2010-08-07  Daniel Franke  <franke.daniel@gmail.com>

	2010-06-13  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/31588
	PR fortran/43954
	Backport from mainline:
	* gfortranspec.c (lang_specific_driver): Removed deprecation
	warning for -M.
	* lang.opt: Add options -M, -MM, -MD, -MMD, -MF, -MG, -MP, -MT, -MQ.
	* lang-specs.h (CPP_FORWARD_OPTIONS): Add -M* options.
	* cpp.h (gfc_cpp_makedep): New.
	(gfc_cpp_add_dep): New.
	(gfc_cpp_add_target): New.
	* cpp.c (gfc_cpp_option): Add deps* members.
	(gfc_cpp_makedep): New.
	(gfc_cpp_add_dep): New.
	(gfc_cpp_add_target): New.
	(gfc_cpp_init_options): Initialize new options.
	(gfc_cpp_handle_option): Handle new options.
	(gfc_cpp_post_options): Map new options to libcpp-options.
	(gfc_cpp_init): Handle deferred -MQ and -MT options.
	(gfc_cpp_done): If requested, write dependencies to file.
	* module.c (gfc_dump_module): Add a module filename as target.
	* scanner.c (open_included_file): New parameter system; add the
	included file as dependency.
	(gfc_open_included_file): Add the included file as dependency.
	(gfc_open_intrinsic_module): Likewise.
	* invoke.texi: Removed deprecation warning for -M.
	* gfortran.texi: Removed Makefile-dependencies project.

2010-08-05  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/44660
	* gfortran.h (gfc_namespace): New field old_equiv.
	(gfc_free_equiv_until): New prototype.
	* match.c (gfc_free_equiv_until): New, renamed from gfc_free_equiv with
	a parameterized stop condition.
	(gfc_free_equiv): Use gfc_free_equiv_until.
	* parse.c (next_statement): Save equivalence list.
	(reject_statement): Restore equivalence list. 

2010-08-05  Mikael Morin  <mikael@gcc.gnu.org>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42051
	PR fortran/44064
	PR fortran/45151
	* intrinsic.c (gfc_get_intrinsic_sub_symbol): Commit changed symbol. 
	* symbol.c (gen_cptr_param, gen_fptr_param, gen_shape_param,
	gfc_copy_formal_args, gfc_copy_formal_args_intr,
	gfc_copy_formal_args_ppc, generate_isocbinding_symbol): Ditto.
	(gfc_find_derived_vtab): Commit newly created symbols.
	* parse.c (parse_derived_contains, parse_spec, parse_progunit): 
	Call reject_statement in case of error. 
	(match_deferred_characteritics): Call gfc_undo_symbols in case match
	fails.

2010-08-05  Janus Weil  <janus@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44929
	* match.c (match_type_spec): Try to parse derived types before
	intrinsic types.

2010-07-31  Release Manager

	* GCC 4.5.1 released.

2010-07-21  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44929
	* Revert my commit r162326 for this PR.

2010-07-19  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44929
	* fortran/match.c (match_type_spec): Check for derived type before
	intrinsic types.

2010-07-18  Daniel Franke  <franke.daniel@gmail.com>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30668
	PR fortran/31346
	PR fortran/34260
        * resolve.c (resolve_global_procedure): Improved checking if an
        explicit interface is required.

	PR fortran/40011
	* resolve.c (resolve_global_procedure): Resolve the gsymbol's
	namespace before trying to reorder the gsymbols.

2010-07-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/44773
	* trans-expr.c (arrayfunc_assign_needs_temporary): No temporary
	if the lhs has never been host associated, as well as not being
	use associated, a pointer or a target.
	* resolve.c (resolve_variable): Mark variables that are host
	associated.
	* gfortran.h: Add the host_assoc bit to the symbol_attribute
	structure.

2010-07-08  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/44847
	* match.c (match_exit_cycle): Error on EXIT also from collapsed
	!$omp do loops.  Error on CYCLE to non-innermost collapsed
	!$omp do loops.

2010-06-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/44582
	* trans-expr.c (arrayfunc_assign_needs_temporary): New function
	to determine if a function assignment can be made without a
	temporary.
	(gfc_trans_arrayfunc_assign): Move all the conditions that
	suppress the direct function call to the above new functon and
	call it.

2010-06-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/43841
	PR fortran/43843
	* trans-expr.c (gfc_conv_expr): Supply an address expression for
	GFC_SS_REFERENCE.
	(gfc_conv_expr_reference): Call gfc_conv_expr and return for
	GFC_SS_REFERENCE.
	* trans-array.c (gfc_add_loop_ss_code): Store the value rather
	than the address of a GFC_SS_REFERENCE.
	* trans.h : Change comment on GFC_SS_REFERENCE. 

2010-06-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/44556
	* resolve.c (resolve_allocate_deallocate): Properly check
	part-refs in stat=/errmsg= for invalid use.

2010-06-15  Tobias Burnus  <burnus@net-b.de>

	* gfc-internals.texi (copyrights-gfortran): Fix copyright year format.
	* gfortran.texi (copyrights-gfortran): Ditto.

2010-06-15  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/44536
	* trans-openmp.c (gfc_omp_predetermined_sharing): Don't return
	OMP_CLAUSE_DEFAULT_SHARED for artificial vars with
	GFC_DECL_SAVED_DESCRIPTOR set.
	(gfc_omp_report_decl): New function.
	* trans.h (gfc_omp_report_decl): New prototype.
	* f95-lang.c (LANG_HOOKS_OMP_REPORT_DECL): Redefine.

2010-06-12  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/44347
	* check.c (gfc_check_selected_real_kind): Verify that the
	actual arguments are scalar.

2010-06-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44430
	* dump-parse-tree.c (show_symbol): Avoid infinite loop.

2010-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	* fortran/intrinsic.c (add_functions): Change gfc_check_btest,
	gfc_check_ibclr, and gfc_check_ibset to gfc_check_bitfcn.
	* fortran/intrinsic.h: Remove prototypes for gfc_check_btest,
	gfc_check_ibclr, and gfc_check_ibset.  Add prototype for
	gfc_check_bitfcn.
	* fortran/check.c (nonnegative_check, less_than_bitsize1, 
	less_than_bitsize2): New functions.
	(gfc_check_btest): Renamed to gfc_check_bitfcn.  Use
	nonnegative_check and less_than_bitsize1.
	(gfc_check_ibclr, gfc_check_ibset): Removed.
	(gfc_check_ibits,gfc_check_mvbits): Use nonnegative_check and
	less_than_bitsize1.

2010-06-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/44360
	* parse.c (gfc_fixup_sibling_symbols): Do not "fix" use-associated
	symbols.

2010-05-19  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43591
	* expr.c (gfc_is_constant_expr, gfc_traverse_expr): Handle
	proc-pointers and type-bound procedures.
	(gfc_specification_expr): Check proc-pointers for pureness.

2010-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44135
	* fortran/interface.c (get_sym_storage_size): Use signed instead of
	unsigned mpz_get_?i routines.

2010-05-13  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/44036
	* openmp.c (resolve_omp_clauses): Allow procedure pointers in clause
	variable lists.
	* trans-openmp.c (gfc_omp_privatize_by_reference): Don't privatize
	by reference dummy procedures or non-dummy procedure pointers.
	(gfc_omp_predetermined_sharing): Return
	OMP_CLAUSE_DEFAULT_FIRSTPRIVATE for dummy procedures.

2010-05-12  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/40728
	* intrinc.c (gfc_is_intrinsic): Do not prematurely mark symbol
	as external.

2010-05-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43985
	* trans-types.c (gfc_sym_type): Mark Cray pointees as
	GFC_POINTER_TYPE_P.

2010-05-05  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/43592
	* fortran/parse.c (parse_interface): Do not dereference a NULL pointer.

2010-04-25  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/40539
	* gcc/fortran/gfortran.texi: Add section about representation of
	LOGICAL variables.

2010-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/30073
	PR fortran/43793
	* trans-array.c (gfc_trans_array_bound_check): Use TREE_CODE instead
	of mucking with a tree directly.

2010-04-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/43227
	* resolve.c (resolve_fl_derived): If a component character
	length has not been resolved, do so now.
	(resolve_symbol): The same as above for a symbol character
	length.
	* trans-decl.c (gfc_create_module_variable): A 'length' decl is
	not needed for a character valued, procedure pointer.

	PR fortran/43266
	* resolve.c (ensure_not_abstract_walker): If 'overriding' is
	not found, return FAILURE rather than ICEing.

2010-04-21  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/43836
	* f95-lang.c (gfc_define_builtin): Set TREE_NOTHROW on
	the decl.

2010-04-20  Harald Anlauf  <anlauf@gmx.de>

	* intrinsic.c (sort_actual): Remove 'is' in error message.

2010-04-20  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/43339
	* openmp.c (gfc_resolve_do_iterator): Only make iteration vars for
	sequential loops private in the innermost containing task region.

2010-04-17  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/31538
	* fortran/trans-array.c (gfc_conv_ss_startstride): Remove the use of
	gfc_msg_bounds by using 'Array bound mismatch' directly.
	(gfc_trans_dummy_array_bias):  Remove the use of gfc_msg_bounds.  Reword
	error message to include the mismatch in the extent of array bound.
	* fortran/trans.c: Remove gfc_msg_bounds.  It is only used in one place.
	* fortran/trans.h: Remove extern definition of gfc_msg_bounds.

2010-04-16  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/30073
	* trans-array.c (gfc_trans_array_bound_check): Eliminate a redundant
	block of code.  Set name to the variable associated with the descriptor.

2010-04-14  Release Manager

	* GCC 4.5.0 released.

2010-03-31  Paul Thomas  <pault@gcc.gnu.org>

	* ioparm.def : Update copyright.
	* lang.opt : ditto
	* trans-array.c : ditto
	* trans-array.h : ditto
	* expr.c: ditto
	* trans-types.c: ditto
	* dependency.c : ditto
	* gfortran.h : ditto
	* options.c : ditto
	* trans-io.c : ditto
	* trans-intrinsic.c : ditto
	* libgfortran.h : ditto
	* invoke.texi : ditto
	* intrinsic.texi : ditto
	* trans.c : ditto
	* trans.h : ditto
	* intrinsic.c : ditto
	* interface.c : ditto
	* iresolve.c : ditto
	* trans-stmt.c : ditto
	* trans-stmt.h : ditto
	* parse,c : ditto
	* match.h : ditto
	* error.c : ditto

2010-03-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/43450
	* trans-decl.c (gfc_create_module_variable): With -fwhole-file
	do not assert the context of derived types.

2010-03-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/43409
	* ioparm.def: Change inquire size variable to type pointer to
	GFC_IO_INT type.

2010-03-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/43039
        * trans-expr.c (conv_parent_component_references): Ensure that
	'dt' has a backend_decl.

        PR fortran/43043
        * trans-expr.c (gfc_conv_structure): Ensure that the derived
	type has a backend_decl.

        PR fortran/43044
        * resolve.c (resolve_global_procedure): Check that the 'cl'
	structure is not NULL.

2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>

	* lang.opt (-ffixed-line-length-, ffree-line-length-): Remove
	redundant tab.

2010-03-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43331
	* trans-array.c (gfc_conv_array_index_offset,gfc_conv_array_ref,
	gfc_conv_ss_startstride): Remove no-longer-needed cp_was_assumed
	check.
	* decl.c (gfc_match_derived_decl): Don't mark assumed-size Cray
	pointees as having explizit size.
	* expr.c (gfc_check_assign): Remove now unreachable Cray pointee
	check.
	* trans-types.c (gfc_is_nodesc_array): Add cp_was_assumed to assert.
	(gfc_sym_type): Don't mark Cray pointees as restricted pointers.
	* resolve.c (resolve_symbol): Handle cp_was_assumed.
	* trans-decl.c (gfc_trans_deferred_vars): Ditto.
	(gfc_finish_var_decl): Don't mark Cray pointees as restricted
	pointers.

2010-03-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43362
	* resolve.c (resolve_structure_cons): Add missing PURE constraint.
	(resolve_ordinary_assign): Add check to avoid segfault.

2010-03-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/43291
	PR fortran/43326
	* resolve.c (resolve_compcall): Add new boolean dummy argument
	'class_members'. Only resolve expression at end if false.
	Remove redundant, static variable 'class_object'.
	(check_class_members): Add extra argument to call of
	resolve_compcall.
	(resolve_typebound_function): Renamed resolve_class_compcall.
	Do all the detection of class references here. Correct calls to
	resolve_compcall for extra argument.
	(resolve_typebound_subroutine): resolve_class_typebound_call
	renamed. Otherwise same as resolve_typebound_function.
	(gfc_resolve_expr): Call resolve_typebound_function.
	(resolve_code): Call resolve_typebound_subroutine.

2010-03-10  Tobias Burnus  <burnus@net-b.de

	PR fortran/43303
	* symbol.c (get_iso_c_sym): Set sym->result.

2010-03-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/43256
	* resolve.c (resolve_compcall): Don't set 'value.function.name' here
	for TBPs, otherwise they will not be resolved properly.
	(resolve_function): Use 'value.function.esym' instead of
	'value.function.name' to check if we're dealing with a TBP.
	(check_class_members): Set correct type of passed object for all TBPs,
	not only generic ones, except if the type is abstract.

2010-03-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/43244
	* decl.c (gfc_match_final_decl): Make sure variable names starting with
	'final...' are not misinterpreted as FINAL statements.

2010-03-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/43243
	* trans-array.c (gfc_conv_array_parameter): Contiguous refs to
	allocatable ultimate components do not need temporaries, whilst
	ultimate pointer components do.

2010-03-03  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/43169
	* resolve.c (resolve_code): Correctly set gfc_current_ns for
	EXEC_SELECT_TYPE.
	(gfc_impure_variable): Make it work with sub-namespaces (BLOCK etc).
	(gfc_pure): Ditto.

2010-03-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/43180
	* trans-array.c (gfc_conv_array_parameter): A full array of
	derived type need not be restricted to a symbol without an
	array spec to use the call to gfc_conv_expr_descriptor.

	PR fortran/43173
	* trans-array.c (gfc_conv_array_parameter): Contiguous refs to
	allocatable arrays do not need temporaries.

2010-03-01  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43199
	* resolve.c (find_array_spec): Handle REF_COMPONENT with
	CLASS components.

2010-02-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43205
	* trans-expr.c (is_zero_initializer_p): Move up in the file.
	(gfc_conv_initializer): Handle zero initializer as special case.

2010-02-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43185
	* resolve.c (resolve_fl_variable_derived): Imply SAVE
	for module variables for Fortran 2008.

2010-02-25  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43166
	* trans-common.c (build_common_decl): Also update DECL_MODE,
	and DECL_SIZE when encountering a larger common block and call
	layout_decl.

2010-02-24  Tobias Burnus  <burnus@net-b.de>              

	PR fortran/43042
	* trans-expr.c (gfc_conv_initializer): Call directly
	gfc_conv_constant for C_NULL_(FUN)PTR.              

2010-02-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/43072
	* dependency.c (gfc_full_array_ref_p): Check for contiguous by
	checking the rest of the dimensions for elements.

2010-02-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/35259
	* gfortran.h (gfc_option_t): New flag -fprotect-parens.
	* lang.opt: Ditto.
	* option.c (gfc_init_options,gfc_handle_option): Ditto.
	* trans-expr.c (gfc_conv_expr_op): Use the flag.
	* invoke.texi: Document new -fno-protect-parens flag.

2010-02-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36932
	PR fortran/36933
	PR fortran/43072
	PR fortran/43111
	* dependency.c (gfc_check_argument_var_dependency): Use enum
	value instead of arithmetic vaue for 'elemental'.
	(check_data_pointer_types): New function.
	(gfc_check_dependency): Call check_data_pointer_types.
	* trans-array.h : Change fourth argument of
	gfc_conv_array_parameter to boolean.
	* trans-array.c (gfc_conv_array_parameter): A contiguous array
	can be a dummy but it must not be assumed shape or deferred.
	Change fourth argument to boolean. Array constructor exprs will
	always be contiguous and do not need packing and unpacking.
	* trans-expr.c (gfc_conv_procedure_call): Clean up some white
	space and change fourth argument of gfc_conv_array_parameter
	to boolean.
	(gfc_trans_arrayfunc_assign): Change fourth argument of
	gfc_conv_array_parameter to boolean.
	* trans-io.c (gfc_convert_array_to_string): The same.
	* trans-intrinsic.c (gfc_conv_intrinsic_loc): The same.

2010-02-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/42958
	* libgfortran.h: Add GFC_RTCHECK_MEM.
	* invoke.texi (-fcheck=): Document -fcheck=mem.
	* tranc.c (gfc_call_malloc): Remove negative-size run-time error
	and enable malloc-success check only with -fcheck=mem.
	* option.c (gfc_handle_runtime_check_option): Add -fcheck=mem.

2010-02-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43040
	* gfortran.h (gfc_isym_id): Rename GFS_ISYM_GAMMA to GFS_ISYM_TGAMMA.
	* intrinsic.c (add_functions): Ditto.
	* iresolve.c (gfc_resolve_gamma): Call tgamma instead of gamma.
	* mathbuiltins.def: Use TGAMMA instead of GAMMA with "tgamma".

2010-02-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/32382
	* trans-stmt.h: Add prototype for gfc_trans_code_cond. Add tree cond to
	gfc_trans_do prototype.
	* trans-stmt.c (gfc_trans_simple_do): Add optional argument to pass in
	a loop exit condition.  If exit condition is given, build the loop exit
	code, checking IO results of implied do loops in READ and WRITE.
	(gfc_trans_do): Likewise.
	* trans.c (trans_code): New static work function, previously
	gfc_trans_code. Passes exit condition to gfc_trans_do.
	(gfc_trans_code): Calls trans_code with NULL_TREE condition.
	(gfc_trans_code_cond): Calls trans_code with loop exit condition.
	* trans-io.c (build_dt): Build an exit condition to allow checking IO
	result status bits in the dtparm structure. Use this condition in call
	to gfc_trans_code_cond.

2010-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41113
	PR fortran/41117
	* trans-array.c (gfc_conv_array_parameter): Use
	gfc_full_array_ref_p to detect full and contiguous variable
	arrays. Full array components and contiguous arrays do not need
	internal_pack and internal_unpack.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/43030
	* resolve.c (gfc_resolve_dim_arg): Call gfc_clear_ts.

	PR fortran/43029
	* decl.c (enumerator_decl): Don't call gfc_free_enum_history
	here.
	(gfc_match_enumerator_def): But here whenever enumerator_decl returns
	MATCH_ERROR.

2010-02-10  Joost VandeVondele <jv244@cam.ac.uk>
	    Tobias Burnus <burnus@net-b.de>

	PR fortran/40823
	* decl.c (gfc_match_subroutine): Explicitly set sym->declared_at.

2010-02-10  Tobias Burnus  <burnus@net-b.de>

	PR fortran/43015
	* trans-decl.c (gfc_generate_function_code): Only check
	actual-vs.-dummy character bounds if not bind(C).

2010-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/42309
	* trans-expr.c (gfc_conv_subref_array_arg): Avoid accessing
	info->dimen after info has been freed.

2010-02-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/42999
	* array.c (gfc_constant_ac): Do not prevent expansion of constructors
	with iterators.

2010-02-09  Jakub Jelinek  <jakub@redhat.com>

	* module.c (fix_mio_expr): Declare sym.

2010-02-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41869
	* module.c (fix_mio_expr): Fix for private generic procedures.

2010-02-09  Daniel Kraft  <d@domob.eu>

	PR fortran/39171
	* resolve.c (resolve_charlen): Change warning about negative CHARACTER
	length to be correct and issue only with -Wsurprising.
	* invoke.texi (Wsurprising): Mention this new warning that is
	turned on by -Wsurprising.

2010-02-09  Daniel Kraft  <d@domob.eu>

	PR fortran/41507
	* intrinsic.texi (MAXVAL): Remove wrong claim that array argument
	can be CHARACTER type.
	(MINVAL), (MAXLOC), (MINLOC): Ditto.

2010-02-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/42309
	* trans-expr.c (gfc_conv_subref_array_arg): Add new argument
	'formal_ptr'. If this is true, give returned descriptor unity
	lbounds, in all dimensions, and the appropriate offset.
	(gfc_conv_procedure_call); If formal is a pointer, set the last
	argument of gfc_conv_subref_array_arg to true.
	* trans.h : Add last argument for gfc_conv_subref_array_arg.
	* trans-io.c (set_internal_unit, gfc_trans_transfer): Set the
	new arg of gfc_conv_subref_array_arg to false.
	* trans-stmt.c (forall_make_variable_temp): The same.

2010-02-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/42936
	* interface.c (compare_parameter): Disable rank-checking
	for NULL().

2010-02-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/42650
	* parse.c (decode_specification_statement): Use sym->result not sym.

2010-02-01  Tobias Burnus  <burnus@net-b.de>

	PR fortran/42922
	* decl.c (variable_decl): Allow default initializer in
	TYPE declarations in PURE functions.

2010-01-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42888
	* resolve.c (resolve_allocate_expr): Move default initialization code
	here from gfc_trans_allocate.
	* trans.c (gfc_trans_code): Call gfc_trans_class_assign also for
	EXEC_INIT_ASSIGN.
	* trans-expr.c (gfc_trans_class_assign): Handle default initialization
	of CLASS variables via memcpy.
	* trans-stmt.c (gfc_trans_allocate): Move default initialization code
	to resolve_allocate_expr.

2010-01-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38324
	* expr.c (gfc_get_full_arrayspec_from_expr): New function.
	* gfortran.h : Add prototype for above.
	* trans-expr.c (gfc_trans_alloc_subarray_assign): New function.
	(gfc_trans_subcomponent_assign): Call new function to replace
	the code to deal with allocatable components.
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Call
	gfc_get_full_arrayspec_from_expr to replace existing code.

2010-01-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/42858
	* array.c (gfc_array_dimen_size): Fix intrinsic procedure
	check.

2010-01-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41044
	PR fortran/41167
	* expr.c (remove_subobject_ref): If the constructor is NULL use
	the expression as the source.
	(simplify_const_ref): Change the type of expression if
	there are component references.  Allow for substring to be at
	the end of an arbitrarily long chain of references.  If an
	element is found that is not in an EXPR_ARRAY, assume that this
	is scalar initialization of array. Call remove_subobject_ref in
	this case with NULL second argument.

2010-01-24  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39304
	* array.c (gfc_array_dimen_size): Use correct specific
	function in the check.

2010-01-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/42736
	* trans-stmt.c (gfc_conv_elemental_dependencies): If temporary
	is required, turn any trailing array elements after a range
	into ranges so that offsets can be calculated.

2010-01-20  Joern Rennecke  <amylaar@spamcop.net>

	* module.c (mio_f2k_derived): Use enumerator as initializer of
	enum variable.

	PR bootstrap/42812
	* gfortran.h  (struct gfc_namespace) <resolved>: Change to signed
	bitfield of width 2.

2010-01-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42804
	* resolve.c (extract_compcall_passed_object): Set locus for
	passed-object argument.
	(extract_ppc_passed_object): Set locus and correctly remove PPC
	reference.

2010-01-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/42783
	* trans-decl.c (add_argument_checking): Do not use the backend
	decl directly to test for the presence of an optional dummy
	argument.  Use gfc_conv_expr_present, remembering to set the
	symbol referenced.

	PR fortran/42772
	* trans-decl.c (gfc_generate_function_code): Small white space
	changes. If 'recurcheckvar' is NULL do not try to reset it.

2010-01-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42545
	* resolve.c (resolve_fl_derived): Set the accessibility of the parent
	component for extended types.
	* symbol.c (gfc_find_component): Remove a wrongly-worded error message
	and take care of parent component accessibility.

2010-01-17  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42677
	* gfortran.h (symbol_attribute): Remove 'ambiguous_interfaces'.
	* interface.c (check_interface1): Move a warning message here from
	resolve_fl_procedure.
	(check_sym_interfaces): Removed 'attr.ambiguous_interfaces'.
	* module.c (read_module): Remove call to gfc_check_interfaces, since
	this comes too early here.
	* resolve.c (resolve_fl_procedure): Move warning message to
	check_interface1.

2010-01-14 Jerry DeLisle <jvdelisle@gcc.gnu.org>

	PR fortran/42684
	* interface.c (check_interface1): Pass symbol name rather than NULL to
	gfc_compare_interfaces.	(gfc_compare_interfaces): Add assert to
	trap MULL.
	* resolve.c (check_generic_tbp_ambiguity): Pass symbol name rather
	than NULL to gfc_compare_interfaces.

2010-01-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/41478
        * trans-array.c (duplicate_allocatable):  Static version of
	gfc_duplicate_allocatable with provision to handle scalar
	components. New boolean argument to switch off call to malloc
	if true.
	(gfc_duplicate_allocatable): New function to call above with
	new argument false.
	(gfc_copy_allocatable_data): New function to call above with
	new argument true.
	(structure_alloc_comps): Do not apply indirect reference to
	scalar pointers. Add new section to copy allocatable components
	of arrays. Extend copying of allocatable components to include
	scalars.
	(gfc_copy_only_alloc_comp): New function to copy allocatable
	component derived types, without allocating the base structure.
	* trans-array.h : Add primitive for gfc_copy_allocatable_data.
	Add primitive for gfc_copy_only_alloc_comp.
	* trans-expr.c (gfc_conv_procedure_call): After calls to
	transformational functions with results that are derived types
	with allocatable components, copy the components in the result.
	(gfc_trans_arrayfunc_assign): Deallocate allocatable components
	of lhs derived types before allocation.
	
2010-01-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/42481
	* module.c (load_generic_interfaces): If a procedure that is
	use associated but not generic is given an interface that
	includes itself, then make it generic.

2010-01-11  Joseph Myers  <joseph@codesourcery.com>  
	    Shujing Zhao  <pearly.zhao@oracle.com>
