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2012-01-21  Tobias Burnus  <burnus@net-b.de>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/50556
	* symbol.c (check_conflict): namelist-group-name cannot have the SAVE
	attribure.

2012-01-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51913
	* interface.c (compare_parameter): Fix CLASS comparison.

2012-01-20  Tobias Burnus  <burnus@net-b.de>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/51056
	* module.c (load_needed, read_module): Don't mark __vtab etc.
	as use_only.

2012-01-19  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51904
	* expr.c (gfc_build_intrinsic_call): Also set the symtree.

2012-01-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51634
	* trans-expr.c (gfc_conv_procedure_call): Deallocate allocatable
	components of temporary class arguments.

2012-01-17  Tobias Burnus  <burnus@net-b.de>
	    Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/51869
	* trans-expr.c (alloc_scalar_allocatable_for_assignment): Nullify
	LHS after allocation, if it has allocatable components.
	* f95-lang.c (gfc_init_builtin_functions): Add BUILT_IN_CALLOC.

2012-01-16  Mikael Morin  <mikael@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/50981
	* trans-array.c (gfc_walk_elemental_function_args): Fix
	passing of deallocated allocatables/pointers as absent argument. 

2012-01-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51809
	* class.c (gfc_find_derived_vtab): Mark __vtab and
	__def_init as FL_VARIABLE not as FL_PARAMETER.
	* expr.c (gfc_simplify_expr): Remove special
	handling of __vtab.
	* resolve.c (resolve_values): Ditto.
	* trans-decl.c (gfc_get_symbol_decl): Mark __vtab
	and __def_init as TREE_READONLY.

2012-01-16  Zydrunas Gimbutas  <gimbutas@cims.nyu.edu>
	Andreas Kloeckner  <kloeckner@cims.nyu.edu>
	Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/48426
	* gfortran.h (gfc_option_t): Add members flag_*_kind to store kind.
	* lang.opt: Add options -freal-4-real-8, -freal-4-real-10,
	-freal-4-real-16, -freal-8-real-4, -freal-8-real-10, -freal-8-real-16
	and -finteger-4-integer-8. User-desired type conversion information.
	* decl.c (gfc_match_old_kind_spec,kind_expr): Type conversions
	in declaration parsing.
	* trans-types.c (gfc_init_kinds): User-specified type conversion
	checked for current backend.
	* primary.c (match_integer_constant,match_real_constant): Implement
	type conversion in constant parsing.
	* options.c (gfc_init_options,gfc_handle_option): Translate input
	options to flags in internal options data structure.
	* invoke.texi: Document new options.  Re-order options in Options
	summary section.

2012-01-16  Paul Thomas  <pault@gcc.gnu.org>

	* trans-array.c (gfc_trans_create_temp_array): In the case of a
	class array temporary, detect a null 'eltype' on entry and use 
	'initial' to provde the class reference and so, through the
	vtable, the element size for the dynamic type.
	* trans-stmt.c (gfc_conv_elemental_dependencies): For class
	expressions, set 'eltype' to null and pass the values via the
	'initial' expression.

2012-01-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51800
	* resolve.c (build_default_init_expr): Also initialize
	nonconstant-length strings with -finit-character=<n>.

2011-01-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51816
	* module.c (read_module): Don't make nonexisting
	intrinsic operators as found.
	(rename_list_remove_duplicate): New function.
	(gfc_use_modules): Use it.

2012-01-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/48351
	* trans-array.c (structure_alloc_comps): Suppress interative
	call to self, when current component is deallocated using
	gfc_trans_dealloc_allocated.
	* class.c (gfc_build_class_symbol): Copy the 'alloc_comp'
	attribute from the declared type to the class structure.

2012-01-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51842
	* fortran/trans-types.c (gfc_init_kinds): Use PTRDIFF_TYPE
	instead of a signed int of size POINTER_SIZE for
	gfc_index_integer_kind.

2012-01-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/36755
	* intrinsic.texi (CHMOD): Extend a bit and remove statement
	that /bin/chmod is called.

2012-01-10  Gerald Pfeifer  <gerald@pfeifer.com>

	* gfortran.texi (Fortran 2003 Status): Fix grammar.

2012-01-10  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51652
	* resolve.c (resolve_allocate_expr): For non-deferred char lengths,
	check whether type-spec matches declaration.

2012-01-10  Tobias Burnus  <burnus@net-b.de>

	* resolve.c (resolve_ordinary_assign): Improve error wording.

2012-01-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51791
	* interface.c (matching_typebound_op): Drill down through
	possible parentheses to obtain base expression. Do not test for
	'class_ok' but, instead for the class structure components.
	* resolve.c (resolve_ordinary_assign): Extend error message for
	polymorphic assignment to advise checking for specific
	subroutine.

	PR fortran/51792
	* resolve.c (resolve_typebound_function): Restore 'static' to
	declaration.

2012-01-09  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/51758
	* trans-array.c (gfc_walk_elemental_function_args):
	Skip over NULL() actual arguments.

2012-01-09  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi: Bump copyright year.
	(Fortran 2003 Status): Update polymorphism item, add
	item for generic interface with DT name.

2012-01-09  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51578
	* gfortran.h (gfc_use_list):
	* match.h (gfc_use_module): Rename to ...
	(gfc_use_modules): ... this.
	* module.c (use_locus, specified_nonint, specified_int): Remove
	global variable.
	(module_name): Change type to const char*, used with gfc_get_string.
	(module_list): New global variable.
	(free_rename): Free argument not global var.
	(gfc_match_use): Save match to module_list.
	(load_generic_interfaces, read_module): Don't free symtree.
	(write_dt_extensions, gfc_dump_module): Fix module-name I/O due to the
	type change of module_name.
	(write_symbol0, write_generic): Optimize due to the type change.
	(import_iso_c_binding_module, use_iso_fortran_env_module): Use
	locus of rename->where.
	(gfc_use_module): Take module_list as argument.
	(gfc_use_modules): New function.
	(gfc_module_init_2, gfc_module_done_2): Init module_list, rename_list.
	* parse.c (last_was_use_stmt): New global variable.
	(use_modules): New function.
	(decode_specification_statement, decode_statement): Move USE match up
	and call use_modules.
	(next_free, next_fixed): Call use_modules.
	(accept_statement): Don't call gfc_module_use.

2012-01-06  Tobias Burnus <burnus@net-b.de>

	* trans-openmp.c (gfc_omp_clause_dtor, gfc_trans_omp_array_reduction):
	Update call to gfc_trans_dealloc_allocated.
	* trans.c (gfc_allocate_using_malloc): Fix spacing.
	(gfc_allocate_allocatable): For gfc_allocate_using_lib, jump to
	label_finish when an error occurs.
	(gfc_deallocate_with_status): Call caf_deregister for -fcoarray=lib.
	* trans.h (gfc_allocate_allocatable, gfc_deallocate_with_status):
	Update prototype.
	(gfor_fndecl_caf_deregister): New tree symbol.
	* trans-expr.c (gfc_conv_procedure_call): Update
	gfc_deallocate_with_status and gfc_trans_dealloc_allocated calls.
	* trans-array.c (gfc_array_allocate, gfc_trans_dealloc_allocated,
	structure_alloc_comps, gfc_trans_deferred_array): Ditto.
	(gfc_array_deallocate): Handle coarrays with -fcoarray=lib.
	* trans-array.h (gfc_array_deallocate, gfc_array_allocate,
	gfc_trans_dealloc_allocated): Update prototypes.
	* trans-stmt.c (gfc_trans_sync): Fix indentation.
	(gfc_trans_allocate): Fix errmsg padding and label handling.
	(gfc_trans_deallocate): Ditto and handle -fcoarray=lib.
	* expr.c (gfc_is_coarray): Fix algorithm for BT_CLASS.
	* libgfortran.h (GFC_STAT_STOPPED_IMAGE): Use large value
	to avoid other stats accidentally matching this one.
	* trans-decl.c (gfor_fndecl_caf_deregister): New global var.
	(gfc_build_builtin_function_decls): Fix prototype decl of caf_register
	and add decl for caf_deregister.
	(gfc_trans_deferred_vars): Handle CAF vars with -fcoarrays=lib.
	* trans-intrinsic.c (conv_intrinsic_move_alloc): Update call to
	gfc_deallocate_with_status.

2012-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/PR48946
	* resolve.c (resolve_typebound_static): If the typebound
	procedure is 'deferred' try to find the correct specific
	procedure in the derived type operator space itself.

2012-01-04  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/50981
	* trans-array.h (gfc_walk_elemental_function_args): New argument.
	* trans-intrinsic.c (gfc_walk_intrinsic_function): Update call.
	* trans-stmt.c (gfc_trans_call): Ditto.
	* trans-array.c (gfc_walk_function_expr): Ditto.
	(gfc_walk_elemental_function_args): Get the dummy argument list
	if possible.  Check that the dummy and the actual argument are both
	optional, and set can_be_null_ref accordingly.

2012-01-04  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/50981
	* trans.h (struct gfc_ss_info): New field data::scalar::can_be_null_ref
	* trans-array.c: If the reference can be NULL, save the reference
	instead of the value.
	* trans-expr.c (gfc_conv_expr): If we have saved a reference,
	dereference it.

2012-01-04  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-expr.c (gfc_conv_expr): Move address taking...
	(gfc_conv_expr_reference): ... here.

2012-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/49693
	* trans-common.c (create_common): Update copyright years.  Mark
	variables as used to avoid warnings about unused variables in
	common blocks.

2012-01-03  Hans-Peter Nilsson  <hp@axis.com>

	* gfortran.h (struct gfc_expr): Add missing "struct"
	qualifier for member base_expr.

2012-01-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51529
	* trans-array.c (gfc_array_allocate): Null allocated memory of
	newly allocted class arrays.

	PR fortran/46262
	PR fortran/46328
	PR fortran/51052
	* interface.c(build_compcall_for_operator): Add a type to the
	expression.
	* trans-expr.c (conv_base_obj_fcn_val): New function.
	(gfc_conv_procedure_call): Use base_expr to detect non-variable
	base objects and, ensuring that there is a temporary variable,
	build up the typebound call using conv_base_obj_fcn_val.
	(gfc_trans_class_assign): Pick out class procedure pointer
	assignments and do the assignment with no further prcessing.
	(gfc_trans_class_array_init_assign, gfc_trans_class_init_assign
	gfc_trans_class_assign): Move to top of file.
	* gfortran.h : Add 'base_expr' field to gfc_expr.
	* resolve.c (get_declared_from_expr): Add 'types' argument to
	switch checking of derived types on or off.
	(resolve_typebound_generic_call): Set the new argument.
	(resolve_typebound_function, resolve_typebound_subroutine):
	Set 'types' argument for get_declared_from_expr appropriately.
	Identify base expression, if not a variable, in the argument
	list of class valued calls. Assign it to the 'base_expr' field
	of the final expression. Strip away all references after the
	last class reference.

2012-01-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51682
	* trans-intrinsic.c (trans_this_image, trans_image_index,
	trans_num_images, conv_intrinsic_cobound): Fold_convert the
	caf_num_images/caf_this_images variables to the correct int kind.

2012-01-01  Jakub Jelinek  <jakub@redhat.com>

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