obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 1417 insertions, 0 deletions

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
new file mode 100644
index 000000000..d7fbc56cd
--- /dev/null
+++ b/gcc/fortran/ChangeLog
@@ -0,0 +1,1417 @@
+2013-04-12  Release Manager
+
+	* GCC 4.6.4 released.
+
+2013-03-15  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/56615
+	* trans-intrinsic.c (gfc_conv_intrinsic_transfer): Pack arrays
+	if they are not simply contiguous.
+
+2013-03-13  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/56575
+	* expr.c (gfc_default_initializer): Check that a class declared
+	type has any components.
+	* resolve.c (resolve_fl_derived0): On failing the test for C437
+	set the type to BT_UNKNOWN to prevent repeat error messages.
+
+2013-03-10  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/55362
+	* check.c (array_check): It is an error if a procedure is
+	passed.
+
+2013-02-23  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/56385
+	* trans-array.c (structure_alloc_comps): Handle procedure-pointer
+	components with allocatable result.
+
+2013-02-15  Tobias Burnus  <burnus@net-b.de>
+	    Mikael Morin  <mikael@gcc.gnu.org>
+
+	PR fortran/56318
+	* simplify.c (gfc_simplify_matmul): Fix result shape
+	and matmul result.
+
+2013-02-13  Tobias Burnus  <burnus@net-b.de>
+
+	Backported from mainline
+	2013-01-07  Tobias Burnus  <burnus@net-b.de>
+		    Thomas Koenig  <tkoenig@gcc.gnu.org>
+		    Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/55852
+	* expr.c (gfc_build_intrinsic_call): Avoid clashes
+	with user's procedures.
+	* gfortran.h (gfc_build_intrinsic_call): Update prototype.
+	(GFC_PREFIX): Define.
+	* simplify.c (gfc_simplify_size): Update call.
+
+2013-02-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	Backport from trunk
+	PR fortran/50627
+	PR fortran/56054
+	* decl.c (gfc_match_end):  Remove half-ready namespace
+	from parent if the end of a block is missing.
+	* parse.c (parse_module):  Do not put namespace into
+	gsymbol on error.
+
+2013-01-14  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/55072
+	* trans-array.c (gfc_conv_array_parameter): No packing was done for
+	full arrays of derived type.
+
+2013-01-14  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/55618
+	* trans-expr.c (gfc_conv_procedure_call): Dereference scalar
+	character function arguments to elemental procedures in
+	scalarization loops.
+
+2013-01-08  Mikael Morin  <mikael@gcc.gnu.org>
+
+	PR fortran/42769
+	PR fortran/45836
+	PR fortran/45900
+	* module.c (read_module): Don't reuse local symtree if the associated
+	symbol isn't exactly the one wanted.  Don't reuse local symtree if it is
+	ambiguous.
+	* resolve.c (resolve_call): Use symtree's name instead of symbol's to
+	lookup the symtree.
+
+2013-01-07  Steven G. Kargl  <kargl@gcc.gnu.org>
+	    Mikael Morin  <mikael@gcc.gnu.org>
+
+	PR fortran/55827
+	* trans-expr.c (gfc_conv_function_expr): Init sym earlier. Use it.
+
+2012-11-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/55314
+	Backport from trunk
+	* resolve.c (resolve_allocate_deallocate):  Compare all
+	subscripts when deciding if to reject a (de)allocate
+	statement.
+
+2012-09-13  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/54225
+	PR fortran/53306
+	* array.c (match_subscript, gfc_match_array_ref): Fix
+	diagnostic of coarray's '*'.
+
+2012-09-13  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/54556
+	* resolve.c (gfc_impure_variable): Don't check gfc_pure such
+	that the function also works for gfc_implicit_pure procedures.
+
+2012-09-12  Mikael Morin  <mikael@gcc.gnu.org>
+
+	PR fortran/54208
+	* simplify.c (simplify_bound_dim): Resolve array spec before
+	proceeding with simplification.
+
+2012-07-14  Mikael Morin  <mikael@gcc.gnu.org>
+
+	Backport from trunk:
+	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.
+
+2012-06-14  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/53597
+	* decl.c (match_attr_spec): Only mark module variables
+	as SAVE_IMPLICIT for Fortran 2008 and later.
+
+2012-06-05  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50619
+	* resolve.c (build_default_init_expr): Don't initialize
+	ASSOCIATE names.
+
+2012-06-01  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/53521
+	* trans.c (gfc_deallocate_scalar_with_status): Properly
+	handle the case size == 0.
+
+2012-05-23  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/53389
+	* trans-array.c (gfc_add_loop_ss_code): Don't evaluate
+	expression, if ss->is_alloc_lhs is set.
+
+2012-05-02  Tobias Burnus  <burnus@net-b.de>
+
+	Backport from mainline
+	2012-04-12  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/52864
+	* expr.c (gfc_check_vardef_context): Fix assignment check for
+	pointer components.
+
+2012-03-10  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/52469
+	* trans-types.c (gfc_get_function_type): Handle backend_decl
+	of a procedure pointer.
+
+2012-03-06  Tobias Burnus  <burnus@net-b.de>
+
+	Backport from mainline
+	2012-03-02  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/52452
+	* resolve.c (resolve_intrinsic): Don't search for a
+	function if we know that it is a subroutine.
+
+2012-03-01  Release Manager
+
+	* GCC 4.6.3 released.
+
+2012-02-29  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/52386
+	* trans-expr.c (fcncall_realloc_result): Dereference the
+	descriptor if needed.
+
+2012-02-23  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/52335
+	* io.c (gfc_match_open): Remove bogus F2003 DELIM= check.
+
+2012-02-09  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from mainline
+	2011-12-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/51517
+	* trans-decl.c (gfc_get_symbol_decl): Don't set DECL_INITAL on span.
+	(gfc_trans_deferred_vars): Instead add its runtime initialization
+	here.
+
+2012-02-08  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/52151
+	* trans-expr.c (fcncall_realloc_result): Set also the stride.
+
+2012-02-03  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/52093
+	* simplify.c (gfc_simplify_size): Handle INTRINSIC_PARENTHESES.
+
+2012-02-03  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/52012
+	* trans-expr.c (fcncall_realloc_result): Correct calculation of
+	result offset. If variable shape is correct, retain the bounds,
+	whatever they are.
+
+2012-01-28  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/52022
+	* trans-expr.c (gfc_conv_procedure_call): Fix passing
+	of functions, which return allocatables.
+
+2012-01-25  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51966
+	* resolve.c (resolve_structure_cons): Only create an
+	array constructors for nonscalars.
+
+2012-01-24  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51948
+	* check.c (variable_check): Fix checking for
+	result variables and deeply nested BLOCKs.
+
+2012-01-21  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51913
+	* interface.c (compare_parameter): Fix CLASS comparison.
+
+2012-01-19  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51904
+	*expr.c (gfc_build_intrinsic_call): Also set the symtree.
+
+2012-01-14  Tobias Burnus  <burnus@net-b.de>
+
+	Backported from mainline
+	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>.
+
+2012-01-01  Thomas König  <tkoenig@gcc.gnu.org>
+
+	Backport from trunk
+	PR fortran/51502
+	* expr.c (gfc_check_vardef_context):  When determining
+	implicit pure status, also check for variable definition
+	context.  Walk up namespaces until a procedure is
+	found to reset the implict pure attribute.
+	* resolve.c (gfc_implicit_pure):  Walk up namespaces
+	until a procedure is found.
+
+2011-12-22  Toon Moene  <toon@moene.org>
+
+	PR fortran/51310
+	* resolve.c (build_default_init_expr): Allow non-allocatable,
+	non-compile-time-constant-shape arrays to have a default
+	initializer.
+	* invoke.texi: Delete the restriction on automatic arrays not
+	being initialized by -finit-<type>=<constant>.
+
+2011-12-15  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51550
+	PR fortran/47545
+	PR fortran/49050
+	PR fortran/51075
+	* resolve.c (resolve_fl_derived0): Print not-implemented error
+	for deferred-length character components.
+
+2011-12-11  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50923
+	* trans-decl.c (generate_local_decl): Set TREE_NO_WARNING only
+	if the front end has printed a warning.
+	(gfc_generate_function_code): Fix unset-result warning.
+
+2011-12-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/51338
+	Backport from trunk
+	* dependency.c (are_identical_variables):  Handle case where
+	end fields of substring references are NULL.
+
+2011-12-08  Toon Moene  <toon@moene.org>
+
+	PR fortran/51310
+	* invoke.texi: Itemize the cases for which
+	-finit-<type>=<constant> doesn't work.
+
+2011-12-08  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51448
+	* fortran/trans-array.c (get_std_lbound): Fix handling of
+	conversion functions.
+
+2011-12-06  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51435
+	* expr.c (gfc_has_default_initializer): Fix handling of
+	DT with initialized pointer components.
+
+2011-12-03  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50684
+	* check.c (variable_check): Fix intent(in) check.
+
+2011-11-25  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50408
+	* trans-decl.c (gfc_get_module_backend_decl): Also copy
+	ts.u.derived from the gsym if the ts.type is BT_CLASS.
+	(gfc_get_extern_function_decl): Copy also the backend_decl
+	for the symbol's ts.u.{derived,cl} from the gsym.
+	* trans-types.c (gfc_copy_dt_decls_ifequal): Directly
+	return if "from" and "to" are the same.
+
+2011-11-24  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51218
+	* gfortran.dg/implicit_pure_1.f90: New.
+
+2011-10-26  Release Manager
+
+	* GCC 4.6.2 released.
+
+2011-10-17  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47023
+	* primary.c (match_kind_param): Detect ISO_C_BINDING kinds.
+	(get_kind): Pass on 'is_iso_c' flag.
+	(match_integer_constant,match_real_constant,match_logical_constant):
+	Set 'ts.is_c_interop'.
+
+2011-10-15  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/50570
+	* expr.c (gfc_check_vardef_context): Don't throw an error on
+	non-pointer assignments involving an intent(in) pointer dummy.
+
+2011-10-15  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50718
+	* gfortran.dg/pointer_check_11.f90: New.
+	* gfortran.dg/pointer_check_12.f90: New.
+
+2011-10-12  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/50659
+	* expr.c (replace_symbol): Only do replacement if the symbol is a dummy.
+
+2011-10-11  Tobias Burnus  <burnus@net-b.de>
+	    Janus Weil  <janus@gcc.gnu.org>
+
+	* invoke.texi (-fwhole-file): Update wording since -fwhole-file
+	is now enabled by default.
+
+2011-10-11  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50273
+	* trans-common.c (translate_common): Fix -Walign-commons check.
+
+2011-10-07  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/50585
+	* interface.c (get_expr_storage_size): Check if 'length' component is
+	associated.
+
+	PR fortran/50625
+	* class.c (gfc_build_class_symbol): Fix whitespace.
+	* module.c (mio_symbol): Set 'class_ok' attribute.
+	* trans-decl.c (gfc_get_symbol_decl): Make sure the backend_decl has
+	been built for class symbols.
+
+2011-10-04  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/48706
+	* module.c (write_dt_extensions): Do not write extended types which
+	are local to a subroutine.
+
+2011-08-26  Mikael Morin  <mikael.morin@gcc.gnu.org>
+
+	PR fortran/50050
+	* expr.c (gfc_free_shape): Do nothing if shape is NULL.
+	(free_expr0): Remove redundant NULL shape check.
+	* resolve.c (check_host_association): Ditto.
+	* trans-expr.c (gfc_trans_subarray_assign): Assert that shape is
+	non-NULL.
+	* trans-io.c (transfer_array_component): Ditto.
+
+2011-08-25  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50163
+	* check_init_expr (check_init_expr): Return when an error occured.
+
+2011-08-22  Mikael Morin  <mikael.morin@gcc.gnu.org>
+
+	PR fortran/50050
+	* gfortran.h (gfc_clear_shape, gfc_free_shape): New prototypes.
+	* expr.c (gfc_clear_shape, gfc_free_shape): New functions.
+	(free_expr0): Re-use gfc_free_shape.
+	* trans-expr.c (gfc_trans_subarray_assign): Ditto.
+	* trans-io.c (transfer_array_component): Ditto.
+	* resolve.c (check_host_association): Ditto.
+	(gfc_expr_to_initialize): Don't force the rank value and free the shape
+	after updating the expression. Recalculate shape and rank.
+	(resolve_where_shape): Re-use gfc_clear_shape.
+	* array.c (gfc_array_ref_shape): Ditto.
+
+2011-08-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	Backport from trunk
+	PR fortran/50130
+	* resolve.c (resolve_array_ref):  Don't calculate upper bound
+	if the stride is zero.
+
+2011-08-20  Mikael Morin  <mikael.morin@sfr.fr>
+
+	PR fortran/50129
+	* parse.c (parse_where): Undo changes after emitting an error.
+
+2011-08-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/49792
+	* trans-expr.c (gfc_trans_assignment_1): Set OMPWS_SCALARIZER_WS
+	bit in ompws_flags only if loop.temp_ss is NULL, and clear it if
+	lhs needs reallocation.
+	* trans-openmp.c (gfc_trans_omp_workshare): Don't return early if
+	code is NULL, emit a barrier if workshare emitted no code at all
+	and NOWAIT clause isn't present.
+
+2011-08-05  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/49112
+	* resolve.c (resolve_structure_cons): Don't do the full dt resolution,
+	only call 'resolve_fl_derived0'.
+	(resolve_typebound_procedures): Resolve typebound procedures of
+	parent type.
+	(resolve_fl_derived0): New function, which does a part of the work
+	for 'resolve_fl_derived'.
+	(resolve_fl_derived): Call 'resolve_fl_derived0' and do some additional
+	things.
+
+2011-08-03  Daniel Kraft  <d@domob.eu>
+
+	PR fortran/49885
+	* trans-array.c (gfc_trans_auto_array_allocation): Change
+	gfc_start_block to gfc_init_block to avoid spurious extra-scope.
+
+2011-07-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	Backport from trunk.
+	PR fortran/48876
+	* expr.c (gfc_simplify_expr):  If end of a string is less
+	than zero, set it to zero.
+
+2011-07-28  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/45586
+	* trans-types.c (gfc_get_derived_type): Ensure that pointer
+	component types are marked as nonrestricted.
+
+2011-07-23  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/49708
+	* resolve.c (resolve_allocate_expr): Fix diagnostics for pointers.
+
+2011-07-18  Mikael Morin  <mikael.morin@sfr.fr>
+
+	PR fortran/49648
+	* resolve.c (resolve_symbol): Force resolution of function result's
+	array specification.
+
+2011-07-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/49698
+	* trans-stmt.c (gfc_trans_pointer_assign_need_temp): Initialize
+	inner_size to gfc_index_one_node instead of integer_one_node.
+
+2011-07-10  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/49690
+	* intrinsic.c (add_functions): Use BT_VOID for 2nd argument of SIGNAL.
+
+2011-07-10  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/49562
+	* expr.c (gfc_check_vardef_context): Handle type-bound procedures.
+
+2011-07-09  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR fortran/48926
+	* expr.c (gfc_get_corank): Change return value to int.
+	* gfortran.h (gfc_get_corank): Update function prototype.
+
+2011-07-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/49623
+	* gfortranspec.c (lang_specific_driver): Ignore options with
+	CL_ERR_MISSING_ARG errors.
+
+	Backported from mainline
+	2011-06-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/49540
+	* gfortran.h (gfc_constructor): Add repeat field.
+	* trans-array.c (gfc_conv_array_initializer): Handle repeat > 1.
+	* array.c (current_expand): Add repeat field.
+	(expand_constructor): Copy repeat.
+	* constructor.c (node_free, node_copy, gfc_constructor_get,
+	gfc_constructor_lookup): Handle repeat field.
+	(gfc_constructor_lookup_next, gfc_constructor_remove): New functions.
+	* data.h (gfc_assign_data_value): Add mpz_t * argument.
+	(gfc_assign_data_value_range): Removed.
+	* constructor.h (gfc_constructor_advance): Removed.
+	(gfc_constructor_lookup_next, gfc_constructor_remove): New prototypes.
+	* data.c (gfc_assign_data_value): Add REPEAT argument, handle it and
+	also handle overwriting a range with a single entry.
+	(gfc_assign_data_value_range): Removed.
+	* resolve.c (check_data_variable): Adjust gfc_assign_data_value
+	call.  Use gfc_assign_data_value instead of
+	gfc_assign_data_value_expr.
+
+2011-07-02  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/49466
+	* trans-array.c (structure_alloc_comps): Make sure sub-components
+	and extended types are correctly deallocated.
+
+2011-06-27  Release Manager
+
+	* GCC 4.6.1 released.
+
+2011-06-21  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/49112
+	* class.c (gfc_find_derived_vtab): Make vtab and default initialization
+	symbols SAVE_IMPLICIT.
+
+2011-06-19  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47601
+	* module.c (mio_component_ref): Handle components of extended types.
+	* symbol.c (gfc_find_component): Return if sym is NULL.
+
+	PR fortran/48699
+	* check.c (gfc_check_move_alloc): If 'TO' argument is polymorphic,
+	make sure the vtab is present.
+
+	PR fortran/49074
+	* interface.c (gfc_extend_assign): Propagate the locus from the
+	assignment to the type-bound procedure call.
+
+	PR fortran/49417
+	* module.c (mio_component): Make sure the 'class_ok' attribute is set
+	for use-associated CLASS components.
+	* parse.c (parse_derived): Check for 'class_ok' attribute.
+	* resolve.c (resolve_fl_derived): Ditto.
+
+2011-06-17  Tobias Burnus
+
+	PR fortran/49324
+	* trans-expr.c (gfc_trans_assignment_1): Tell
+	gfc_trans_scalar_assign to also deep-copy RHS nonvariables
+	with allocatable components.
+	* trans-array.c (gfc_conv_expr_descriptor): Ditto.
+
+2011-06-06  Asher Langton  <langton2@llnl.gov>
+
+	PR fortran/49268
+	* trans-decl.c (gfc_trans_deferred_vars): Treat assumed-size Cray
+	pointees as AS_EXPLICIT.
+
+2011-06-02  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/49265
+	* decl.c (gfc_match_modproc):  Allow for a double colon in a module
+	procedure statement.
+	* parse.c ( decode_statement): Deal with whitespace around :: in
+	gfc_match_modproc.
+
+2011-05-31  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.
+
+2011-05-26  Paul Thomas  <pault@gcc.gnu.org>
+	    Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/48955
+	* trans-expr.c (gfc_trans_assignment_1): GFC_REVERSE_NOT_SET
+	changed to GFC_ENABLE_REVERSE.
+	* trans-array.c (gfc_init_loopinfo): GFC_CANNOT_REVERSE changed
+	to GFC_INHIBIT_REVERSE.
+	* gfortran.h : Enum gfc_reverse is now GFC_ENABLE_REVERSE,
+	GFC_FORWARD_SET, GFC_REVERSE_SET and GFC_INHIBIT_REVERSE.
+	* dependency.c (gfc_dep_resolver): Change names for elements of
+	gfc_reverse as necessary. Change the logic so that forward
+	dependences are remembered as well as backward ones. When both
+	have appeared, force a temporary.
+
+2011-05-11  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/48889
+	* expr.c (gfc_is_constant_expr): Use e->value.function.esym
+	instead of e->symtree->n.sym, if available.
+
+2011-05-04  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/48720
+	* gfortran.texi: Document the 'Q' exponent-letter extension.
+	* invoke.texi: Document -Wreal-q-constant.
+	* lang.opt: Add -Wreal-q-constant option.
+	* gfortran.h: Add warn_real_q_constant to option struct.
+	* primary.c (match_real_constant):  Use it.  Accept 'Q' as
+	exponent-letter for REAL(16) real-literal-constant with a
+	fallback to REAL(10) or error if REAL(10) is not available.
+	* options.c (gfc_init_options, set_Wall) Set it.
+	(gfc_handle_option): Handle new option.
+
+2011-04-30  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/48462
+	PR fortran/48746
+	* trans-expr.c ( arrayfunc_assign_needs_temporary): Need a temp
+	if automatic reallocation on assignement is active, the lhs is a
+	target and the rhs an intrinsic function.
+	(realloc_lhs_bounds_for_intrinsic_call): Rename as next.
+	(fcncall_realloc_result): Renamed version of above function.
+	Free the original descriptor data after the function call.Set the bounds and the
+	offset so that the lbounds are one.
+	(gfc_trans_arrayfunc_assign): Call renamed function.
+
+2011-04-29  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/48810
+	* resolve.c (resolve_typebound_generic_call): Don't check access
+	flags of the specific function.
+
+	PR fortran/48800
+	* resolve.c (resolve_formal_arglist): Don't change AS_DEFERRED
+	to AS_ASSUMED_SHAPE for function results.
+	(resolve_fl_var_and_proc): Print also for function results with
+	AS_DEFERRED an error, if they are not a pointer or allocatable.
+	(resolve_types): Make sure arguments of procedures in interface
+	blocks are resolved.
+
+2011-04-28  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/48112
+	* resolve.c (resolve_fl_var_and_proc): Print diagnostic of
+	function results only once.
+	(resolve_symbol): Always resolve function results.
+
+	PR fortran/48279
+	* expr.c (gfc_check_vardef_context): Fix handling of generic
+	EXPR_FUNCTION.
+	* interface.c (check_interface0): Reject internal functions
+	in generic interfaces, unless -std=gnu.
+
+2011-04-28  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/48788
+	* resolve.c (resolve_global_procedure): Error recovery -
+	avoid segfault for (non)character-returning functions.
+
+2011-04-26  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/48588
+	* parse.c (resolve_all_program_units): Skip modules.
+	(translate_all_program_units): Handle modules.
+	(gfc_parse_file): Defer code generation for modules.
+	* module.c (fix_mio_expr): Commit created symbol.
+
+2011-04-13  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/48360
+	PR fortran/48456
+	* trans-array.c (get_std_lbound): For derived type variables
+	return array valued component lbound.
+
+2011-04-05  Duncan Sands  <baldrick@free.fr>
+
+	* f95-lang.c (build_builtin_fntypes): Swap frexp parameter types.
+
+2011-04-04  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/48291
+	* class.c (get_unique_hashed_string): Adjust maximum allowable length
+	for unique type string.
+
+2011-03-25  Release Manager
+
+	* GCC 4.6.0 released.
+
+2011-03-12  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/48059
+	* trans-expr.c (gfc_apply_interface_mapping_to_expr): Replace base type
+	for polymorphic arguments.
+
+2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR fortran/48054
+	* intrinsic.texi: Clarify doc of logarithm functions.
+
+2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR fortran/47552
+	* trans-intrinsic.c (gfc_conv_intrinsic_ctime): Fix type of
+	the string length variable.
+
+2011-03-11  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47768
+	* module.c (ab_attribute,attr_bits): Add AB_PROC_POINTER_COMP.
+	(mio_symbol_attribute): Handle attribute 'proc_pointer_comp'.
+
+2011-03-06  Paul Thomas  <pault@gcc.gnu.org>
+	    Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/47850
+	* expr.c (gfc_is_constant_expr): Only use gfc_constant_ac if
+	the expression has an iterator.  Otherwise, iterate through the
+	array, checking for constant expressions for each element.
+
+2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47802
+	* intrinsic.texi: Update CTIME and FDATE documentation.
+
+2011-03-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* invoke.texi (Option Summary, Fortran Dialect Options)
+	(Preprocessing Options, Runtime Options, Code Gen Options):
+	Fix vertical list spacing by using @itemx for additinoal
+	items, empty line before @table.  Fix typos.
+
+2011-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR fortran/47894
+	* intrinsic.texi: Fix doc of the VERIFY intrinsic.
+
+2011-02-26  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47846
+	* trans-stmt.c (gfc_trans_allocate): Fix allocation with
+	type-spec of deferred-length strings.
+
+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.
+
+2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR fortran/47894
+	* intrinsic.texi: Fix doc of the VERIFY intrinsic.
+
+2011-02-24  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47872
+	* intrinsic.texi (ALLOCATED, ATAN, BESSEL_JN, BESSEL_YN): Add
+	multitable for linebreak between different syntax variants.
+
+2011-02-24  Richard Guenther  <rguenther@suse.de>
+
+	PR fortran/47839
+	* f95-lang.c (pushdecl): For externs in non-global scope push
+	a copy of the decl into the BLOCK.
+
+2011-02-23  Mikael Morin  <mikael@gcc.gnu.org>
+
+	PR fortran/40850
+	* trans.c (gfc_prepend_expr_to_block): New function.
+	* trans.h (gfc_prepend_expr_to_block): Declare.
+	* trans-array.c (gfc_conv_array_parameter): Replace
+	gfc_add_expr_to_block with gfc_prepend_expr_to_block.
+
+2011-02-22  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/45743
+	* trans-decl.c (gfc_get_extern_function_decl): Don't use the
+	gsymbol backend_decl if the procedure has a formal argument
+	that is a procedure.
+
+2011-02-22  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/41359
+	* trans-stmt.c (gfc_trans_if_1): Use correct line for
+	expressions in the if condition.
+
+2011-02-20  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47797
+	* trans-decl.c (gfc_trans_deferred_vars): Use gfc_set_backend_locus and
+	gfc_restore_backend_locus to have better debug locations.
+	* trans-array.c (gfc_trans_deferred_array): Ditto.
+
+2011-02-20  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/45077
+	PR fortran/44945
+	* trans-types.c (gfc_get_derived_type): Remove code that looks
+	for decls in gsym and add call to gfc_get_module_backend_decl.
+	* trans.h : Add prototype for gfc_get_module_backend_decl.
+	* trans-decl.c (gfc_get_module_backend_decl): New function.
+	(gfc_get_symbol_decl): Call it.
+
+2011-02-19  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.
+
+2011-02-18  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47789
+	* primary.c (gfc_match_structure_constructor): Handle empty parent
+	types.
+
+2011-02-18  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.
+
+2011-02-18  Michael Matz  <matz@suse.de>
+
+	PR fortran/45586
+	* gfortran.h (struct gfc_component): Add norestrict_decl member.
+	* trans.h (struct lang_type): Add nonrestricted_type member.
+	* trans-expr.c (gfc_conv_component_ref): Search fields with correct
+	parent type.
+	* trans-types.c (mirror_fields, gfc_nonrestricted_type): New.
+	(gfc_sym_type): Use it.
+
+2011-02-18  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47768
+	* resolve.c (resolve_transfer): Reject variables with procedure pointer
+	components.
+
+2011-02-18  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47767
+	* gfortran.h (gfc_check_access): Removed prototype.
+	(gfc_check_symbol_access): Added prototype.
+	* module.c (gfc_check_access): Renamed to 'check_access', made static.
+	(gfc_check_symbol_access): New function, basically a shortcut for
+	'check_access'.
+	(write_dt_extensions,write_symbol0,write_generic,write_symtree): Use
+	'gfc_check_symbol_access'.
+	(write_operator,write_module): Renamed 'gfc_check_access'.
+	* resolve.c (resolve_fl_procedure,resolve_fl_derived,
+	resolve_fl_namelist,resolve_symbol,resolve_fntype): Use
+	'gfc_check_symbol_access'.
+
+2011-02-16  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47745
+	* class.c (gfc_build_class_symbol): Set 'class_ok' attribute.
+	* decl.c (build_sym,attr_decl1): Move setting of 'class_ok' into
+	'gfc_build_class_symbol'.
+	(gfc_match_decl_type_spec): Reject unlimited polymorphism.
+	* interface.c (matching_typebound_op): Check for 'class_ok' attribute.
+	* match.c (select_type_set_tmp): Move setting of 'class_ok' into
+	'gfc_build_class_symbol'.
+	* primary.c (gfc_variable_attr): Check for 'class_ok' attribute.
+
+2011-02-15  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/47633
+	. simplify.c (gfc_simplify_compiler_version): Fix off-by-one issue.
+
+2011-02-14  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47730
+	* parse.c (gfc_build_block_ns): Commit 'block@' symbol.
+
+2011-02-14  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47728
+	* class.c (gfc_build_class_symbol): Give a fatal error on polymorphic
+	arrays.
+	* primary.c (gfc_match_varspec): Avoid ICE for invalid class
+	declaration.
+
+2011-02-14  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47349
+	* interface.c (get_expr_storage_size): Handle derived-type components.
+
+2011-02-13  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47569
+	* interface.c (compare_parameter): Avoid ICE with
+	character components.
+
+2011-02-12  Janus Weil  <janus@gcc.gnu.org>
+
+	* class.c (gfc_build_class_symbol): Reject polymorphic arrays.
+	* decl.c (build_sym,build_struct,attr_decl1): Use return value of
+	'gfc_build_class_symbol'.
+
+2011-02-12  Michael Matz  <matz@suse.de>
+	    Janus Weil  <janus@gcc.gnu.org>
+	    Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/45586
+	* trans-expr.c (conv_parent_component_references): Avoid unintendent
+	skipping of parent compounds.
+
+2011-02-11  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47550
+	* resolve.c (resolve_formal_arglist): PURE with VALUE
+	and no INTENT: Add -std= diagnostics.
+
+2011-02-09  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47352
+	* resolve.c (resolve_procedure_interface): If interface has a result
+	variable, copy the typespec and set result pointer to self.
+
+2011-02-09  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47463
+	* resolve.c (resolve_typebound_subroutine): Remove erroneous line.
+
+2011-02-09  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47637
+	* trans-decl.c (init_intent_out_dt): Handle CLASS arguments.
+
+2011-02-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	* io.c (match_io_element): Do not set dt if not inquire.
+
+2011-02-08  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/45290
+	* expr.c (gfc_check_assign_symbol): Reject pointers as pointer
+	initialization target.
+
+2011-02-07  Janne Blomqvist  <jb@gcc.gnu.org>
+	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* gfortran.texi (Thread-safety): texinfo styling fixes.
+	* intrinsic.texi: Likewise.
+
+2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* gfortran.texi (Compiler Characteristics): Add reference to
+	thread-safety section.
+
+2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* gfortran.texi (Thread-safety): New section.
+	* intrinsic.texi (EXECUTE_COMMAND_LINE): Mention thread-safety.
+	(GETENV): Likewise.
+	(GET_ENVIRONMENT_VARIABLE): Likewise.
+	(SYSTEM): Likewise.
+
+2011-02-06  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/47592
+	* trans-stmt.c (gfc_trans_allocate): For deferred character
+	length allocations with SOURCE, store to the values and string
+	length to avoid calculating twice.  Replace gfc_start_block
+	with gfc_init_block to avoid unnecessary contexts and to keep
+	declarations of temporaries where they should be. Tidy up the
+	code a bit.
+
+2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR fortran/42434
+	* intrinsic.texi (SYSTEM_CLOCK): Update documentation.
+
+2011-02-02  Janus Weil  <janus@gcc.gnu.org>
+	    Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/47082
+	* trans-expr.c (gfc_trans_class_init_assign): Add call to
+	gfc_get_derived_type.
+	* module.c (read_cleanup): Do not use unique_symtrees for vtabs
+	or vtypes.
+
+2011-02-02  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47572
+	* resolve.c (resolve_fl_variable): Handle polymorphic allocatables.
+
+2011-02-01  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47565
+	* trans-expr.c (gfc_conv_structure): Handle constructors for procedure
+	pointer components with allocatable result.
+
+2011-01-31  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47455
+	* trans-expr.c (gfc_conv_procedure_call): Handle procedure pointers
+	with pointer or allocatable result.
+
+2011-01-31  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/47519
+	* trans-stmt.c (gfc_trans_allocate): Improve handling of
+	deferred character lengths with SOURCE.
+	* iresolve.c (gfc_resolve_repeat): Calculate character
+	length from source length and ncopies.
+	* dump-parse-tree.c (show_code_node): Show MOLD and SOURCE
+	expressions for ALLOCATE.
+
+2011-01-31  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47463
+	* resolve.c (resolve_typebound_subroutine): Bug fix for the case of
+	an argument of a typebound assignment being a component.
+
+2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* gfortranspec.c (add_arg_libgfortran) [HAVE_LD_STATIC_DYNAMIC] Use
+	LD_STATIC_OPTION, LD_DYNAMIC_OPTION.
+
+2011-01-31  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47042
+	* resolve.c (resolve_fl_procedure): Reject stmt functions
+	with pointer/allocatable attribute.
+
+2011-01-31  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47042
+	* interface.c (gfc_procedure_use): Add explicit interface check for
+	pointer/allocatable functions.
+
+2011-01-30  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/47523
+	* trans-expr.c (gfc_trans_assignment_1): If the rhs is an op
+	expr and is assigned to a deferred character length scalar,
+	make sure that the function is called before reallocation,
+	so that the length is available. Include procedure pointer
+	and procedure pointer component rhs as well.
+
+	PR fortran/45170
+	PR fortran/35810
+	PR fortran/47350
+	* gfortran.dg/allocatable_function_5.f90: New test not added by
+	mistake on 2011-01-28.
+
+2011-01-29  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47531
+	* check.c (gfc_check_shape): Support kind argument in SHAPE.
+	* intrinsic.c (add_functions): Ditto.
+	* resolve.c (gfc_resolve_shape): Ditto.
+	* simplify.c (gfc_simplify_shape): Ditto.
+	* intrinsic.h (gfc_check_shape, gfc_resolve_shape,
+	gfc_simplify_shape): Update prototypes.
+	* intrinisc.text (SHAPE): Document kind argument.
+
+2011-01-28  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47507
+	* resolve.c (resolve_formal_arglist): Allow arguments with VALUE
+	attribute also without INTENT.
+
+2011-01-28  Tobias Burnus  <burnus@net-b.de>
+
+	* gfortran.texi (Fortran 2003 status): Mention support for
+	nonconstant namelist variables.
+
+2011-01-28  Paul Thomas  <pault@gcc.gnu.org>
+	    Tobias Burnus  <burnus@gcc.gnu.org>
+
+	PR fortran/45170
+	PR fortran/35810
+	PR fortran/47350
+	* interface.c (compare_actual_formal): An allocatable or pointer
+	deferred length actual is only allowed if the formal argument
+	is also deferred length. Clean up whitespace.
+	* trans-expr.c (gfc_conv_procedure_call): Pass string length for
+	deferred character length formal arguments by reference. Do the
+	same for function results.
+	(gfc_trans_pointer_assignment): Do not do runtime check of lhs
+	and rhs character lengths, if deferred length lhs.  In this case
+	set the lhs character length to that of the rhs.
+	(gfc_conv_string_parameter): Remove assert that string length is
+	an integer type.
+	(is_scalar_reallocatable_lhs): New function.
+	(alloc_scalar_allocatable_for_assignment): New function.
+	(gfc_trans_assignment_1): Call above new function. If the rhs is
+	a deferred character length itself, makes ure that the function
+	is called before reallocation, so that the length is available.
+	(gfc_trans_asssignment): Remove error about assignment to
+	deferred length character variables.
+	* gfortran.texi : Update entry about (re)allocation on
+	assignment.
+	* trans-stmt.c (gfc_trans_allocate): Add code to handle deferred
+	length character variables.
+	* module.c (mio_typespec): Transfer deferred characteristic.
+	* trans-types.c (gfc_get_function_type): New code to generate
+	hidden typelist, so that those character lengths that are
+	passed by reference get the right type.
+	* resolve.c (resolve_contained_fntype): Supress error for
+	deferred character length functions.
+	(resolve_function, resolve_fl_procedure) The same.
+	(check_symbols): Remove the error that support for
+	entity with deferred type parameter is not yet implemented.
+	(resolve_fl_derived): The same.
+	match.c (alloc_opt_list): Allow MOLD for deferred length object.
+	* trans-decl.c (gfc_get_symbol_decl): For deferred character
+	length dummies, generate a local variable for string length.
+	(create_function_arglist): Hidden length can be a pointer.
+	(gfc_trans_deferred_vars): For deferred character length
+	results and dummies, assign the string length to the local
+	variable from the hidden argument on entry and the other way
+	round on exit, as appropriate.
+
+2011-01-27  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47474
+	* trans-decl.c (gfc_generate_function_code): Fix init
+	of allocatable result variable with allocatable components.
+
+2011-01-27  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47472
+	* options.c (gfc_handle_module_path_options): Save
+	module path without trailing slash as include path.
+
+2011-01-25  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47448
+	* interface.c (gfc_check_operator_interface): Fix
+	defined-assignment check.
+
+2011-01-23  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47421
+	* trans-decl.c (gfc_trans_deferred_vars): Do not nullify
+	scalar allocatable dummy arguments.
+
+2011-01-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/38536
+	* resolve.c (gfc_iso_c_func_interface):  For C_LOC,
+	check for array sections followed by component references
+	which are illegal.  Also check for coindexed arguments.
+
+2011-01-22  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47399
+	* primary.c (gfc_match_varspec): Relax gcc_assert to allow for
+	PARAMETER TBP.
+
+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.
+
+2011-01-21  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47377
+	* expr.c (gfc_check_pointer_assign): Reject expr data-targets
+	without pointer attribute.
+
+2011-01-18  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47240
+	* resolve.c (expression_rank): Fix rank of procedure poiner components.
+	* trans-expr.c (gfc_conv_procedure_call): Take care of procedure
+	pointer components as actual arguments.
+
+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.
+
+2011-01-17  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47327
+	* invoke.texi (Options to request or suppress errors
+	and warnings): Fix cross link.
+
+2011-01-15  Tobias Burnus  <burnus@net-b.de>
+
+	* gfortran.texi: Update Fortran 2003 Status section.
+
+	PR fortran/47177
+	* invoke.texi: Add missing "-E" to the -dM example.
+
+2011-01-13  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47268
+	* intrinsic.texi (get_command_argument, get_environment_variable):
+	Mark arguments as optional in the Arguments section.
+
+2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
+	    Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47260
+	* trans-decl.c (gfc_get_extern_function_decl,
+	build_function_decl): Set TREE_PUBLIC/TREE_EXTERNAL before
+	calling decl_attributes.
+
+2011-01-13  Tobias Burnus  <burnus@net-b.de>
+	    Mikael Morin  <mikael@gcc.gnu.org>
+
+	PR fortran/45848
+	PR fortran/47204
+	* gfortran.h (gfc_code): Move union ext's case_list into
+	the struct block.
+	* dump-parse-tree.c (show_code_node): Adapt by prefixing case_list
+	by "block.".
+	* frontend-passes.c (gfc_code_walker): Ditto.
+	* match.c (gfc_match_goto, gfc_match_call, gfc_match_case,
+	gfc_match_type_is, gfc_match_class_is): Ditto.
+	* resolve.c (resolve_select, resolve_select_type): Ditto.
+	* st.c (gfc_free_statement): Ditto.
+	* trans-stmt.c (gfc_trans_integer_select, gfc_trans_logical_select,
+	gfc_trans_character_select): Ditto.
+	* parse.c (resolve_all_program_units): For error recovery, avoid
+	segfault is proc_name is NULL.
+
+2011-01-11  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/47051
+	* trans-array.c (gfc_alloc_allocatable_for_assignment): Change
+	to be standard compliant by testing for shape rather than size
+	before skipping reallocation. Improve comments.
+
+2011-01-09  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47224
+	* resolve.c (resolve_actual_arglist): Remove unneeded and buggy piece
+	of code.
+
+2011-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/38536
+	* resolve.c (is_scalar_expr_ptr):  For a substring reference,
+	use gfc_dep_compare_expr to compare start and end expession.
+	Add FIXME for using gfc_deb_compare_expr elsewhere.
+
+2011-01-09  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/46313
+	* class.c (get_unique_type_string): Make type name start with upper
+	case letter.
+
+2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/46405
+	* invoke.texi:  Mention -ffree-line-length-none and
+	-ffixed-line-length-none for preprocessing.
+
+2011-01-08  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/46896
+	* trans-expr.c (gfc_conv_procedure_call): With a non-copying
+	procedure argument (eg TRANSPOSE) use a temporary if there is
+	any chance of aliasing due to host or use association.
+	(arrayfunc_assign_needs_temporary): Correct logic for function
+	results and do not use a temporary for implicitly PURE
+	variables.  Use a temporary for Cray pointees.
+	* symbol.c (gfc_add_save): Explicit SAVE not compatible with
+	implicit pureness of containing procedure.
+	* decl.c (match_old_style_init, gfc_match_data): Where decl
+	would fail in PURE procedure, set implicit_pure to zero.
+	* gfortran.h : Add implicit_pure to structure symbol_attr and
+	add prototype for function gfc_implicit_pure.
+	* expr.c (gfc_check_pointer_assign, gfc_check_vardef_context):
+	Where decl would fail in PURE procedure, reset implicit_pure.
+	* io.c (match_vtag, gfc_match_open, gfc_match_close,
+	gfc_match_print, gfc_match_inquire, gfc_match_wait): The same.
+	* match.c (gfc_match_critical, gfc_match_stopcode,
+	sync_statement, gfc_match_allocate, gfc_match_deallocate): The
+	same.
+	* parse.c (decode_omp_directive): The same.
+	(parse_contained): If not PURE, set implicit pure attribute.
+	* resolve.c (resolve_formal_arglist, resolve_structure_cons,
+	resolve_function, resolve_ordinary_assign) : The same.
+	(gfc_implicit_pure): New function.
+	* module.c (mio_symbol_attribute): Introduce AB_IMPLICIT_PURE
+	to ab_attribute enum and use it in this function.
+
+2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	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.
+
+2011-01-07  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/41580
+	* class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab.
+	* intrinsic.c (add_functions): Use simplify functions for
+	EXTENDS_TYPE_OF and SAME_TYPE_AS.
+	* intrinsic.h (gfc_simplify_extends_type_of,
+	gfc_simplify_same_type_as): New prototypes.
+	* simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of,
+	gfc_simplify_same_type_as): New functions.
+
+2011-01-07  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47189
+	PR fortran/47194
+	* gfortran.h (gfc_lval_expr_from_sym): Moved prototype.
+	* class.c (gfc_class_null_initializer): Initialize _vptr to declared
+	type.
+	* expr.c (gfc_lval_expr_from_sym): Moved here from symbol.c.
+	* resolve.c (resolve_deallocate_expr): _data component will be added
+	at translation stage.
+	* symbol.c (gfc_lval_expr_from_sym): Moved to expr.c.
+	* trans-stmt.c (gfc_trans_deallocate): Reset _vptr to declared type.
+
+2011-01-06  Daniel Franke  <franke.daniel@gmail.com>
+
+	PR fortran/33117
+	PR fortran/46478
+	* parse.c (parse_interface): Remove check for procedure types.
+	* interface.c (check_interface0): Verify that procedures are
+	either all SUBROUTINEs or all FUNCTIONs.
+
+2011-01-05  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47180
+	* trans-expr.c (gfc_trans_class_assign): Bugfix for r168524 (make sure
+	'vtab' is initialized).
+
+2011-01-05  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47180
+	* trans-expr.c (gfc_trans_class_assign): For a polymorphic NULL pointer
+	assignment, set the _vptr component to the declared type.
+
+2011-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/46017
+	* resolve.c (resolve_allocate_deallocate): Follow references to
+	check for duplicate occurence of allocation/deallocation objects.
+
+2011-01-05  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/47024
+	* trans-decl.c (gfc_trans_deferred_vars): Initialize the _vpr component
+	of polymorphic allocatables according to their declared type.
+
+2011-01-04  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/46448
+	* class.c (gfc_find_derived_vtab): Set the module field for the copying
+	routine to make sure it receives module name mangling.
+
+2011-01-03  Jakub Jelinek  <jakub@redhat.com>
+
+	* gfortranspec.c (lang_specific_driver): Update copyright notice
+	dates.
+
+2011-01-03  Janus Weil  <janus@gcc.gnu.org>
+
+	* intrinsic.texi (LEADZ): Fix example.
+
+2011-01-02  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/46408
+	* class.c (gfc_find_derived_vtab): Use EXEC_INIT_ASSIGN for __copy_
+	routine.
+
+
+Copyright (C) 2011 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.