From-SVN: r109493

From-SVN: r109490

2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/12456
	* trans-expr.c (gfc_to_single_character): New function that converts
	string to single character if its length is 1.
	(gfc_build_compare_string):New function that compare string and handle
	single character specially.
	(gfc_conv_expr_op): Use gfc_build_compare_string.
	(gfc_trans_string_copy): Use gfc_to_single_character.
	* trans-intrinsic.c (gfc_conv_intrinsic_strcmp): Use
	gfc_build_compare_string.
	* trans.h (gfc_build_compare_string): Add prototype.

testsuite ChangeLog entry:
2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/12456
	* gfortran.dg/single_char_string.f90: New test.

From-SVN: r109489

fortran/
2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	* simplify.c (gfc_simplify_char): Use UCHAR_MAX instead of literal
	constant.
	(gfc_simplify_ichar): Get the result from unsinged char and in the
	range 0 to UCHAR_MAX instead of CHAR_MIN to CHAR_MAX.

Testsuite ChangeLog entry:
2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	* gfortran.dg/intrinsic_i_char.f90: New test.

From-SVN: r109488

From-SVN: r109484

Co-Authored-By: David Edelsohn <edelsohn@gnu.org>

From-SVN: r109475

fortran/
2005-01-08  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/25093
        * resolve.c (resolve_fntype): Check that PUBLIC functions
         aren't of PRIVATE type.

testsuite/
2005-01-08  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/25093
        * gfortran.dg/private_type_4.f90: New.

From-SVN: r109474

2006-01-08  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/22102 (insert as close to hint as possible)
	* include/bits/stl_tree.h (_Rb_tree<>::_M_insert_lower,
	_M_insert_equal_lower): New.
	(_M_insert_equal(iterator, const _Val&),
	_M_insert_equal(const_iterator, const _Val&)): Use the above.
	* docs/html/ext/howto.html: Add an entry for DR 233.
	* testsuite/23_containers/multiset/modifiers/insert/22102.cc: New.
	* testsuite/23_containers/multimap/modifiers/insert/22102.cc: New.

	* testsuite/23_containers/set/insert/: Move...
	* testsuite/23_containers/set/modifiers/insert/: ...here.
	* testsuite/23_containers/map/insert/: Move...
	* testsuite/23_containers/map/modifiers/insert/: ...here.
	* testsuite/23_containers/multiset/insert/: Move...
	* testsuite/23_containers/multiset/modifiers/insert/: ...here.

From-SVN: r109473

2006-01-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (get_constraint_for): Remove
	anyoffset argument.
	(get_constraint_for_component_ref): Likewise.
	(do_deref): Likewise.
	(get_constraint_for): Likewise.
	(do_structure_copy): Likewise.
	(handle_ptr_arith): Likewise.
	(find_func_aliases): Likewise.  Remove unused need_anyoffset
	variable.

From-SVN: r109472

	* config/sh/sh.h (CONST_OK_FOR_K16): Define.
	(CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
	(EXTRA_CONSTRAINT_C16): Remove.
	(EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
	(EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
	EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
	* config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
	constants of SHmedia.  Handle nested constant expressions of
	SHmedia correctly.
	(andcosts): Fix the costs for SHmedia constants.
	(sh_rtx_costs): Take account of outer_code for SHmedia constants.
	* config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
	(*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
	(*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
	(movv4hi_i, movv2si_i):	Likewise.
	(movsi_const): Adjust the second operand of ior so to match with
	the Csu constraint.
	(movdi_const, movdi_const_32bit): Likewise.
	(movdi_const_16bit+1): Don't sign-extend LOW.
	(movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
	step.
	(*double_shori): Fix the split condition.  Use GEN_INT instead
	of get_int_mode calls.  Mask lower 16-bit of the argument of
	the last GEN_INT.
	(sym2GOTPLT): Remove.
	(symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
	gen_rtx_UNSPEC.
	* config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
	instead of EXTRA_CONSTRAINT_C16.


Co-Authored-By: Kaz Kojima <kkojima@gcc.gnu.org>

From-SVN: r109471

From-SVN: r109466

From-SVN: r109463

2005-01-07  Ian Lance Taylor  <ian@airs.com>
            David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/25662
        * optabs.c (simplify_expand_binop): Use simplify_binary_operation
        for constant operands instead of simplify_gen_binary.
        * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
        after trying simplify_binary_operation

Co-Authored-By: David Edelsohn <edelsohn@gnu.org>

From-SVN: r109456

2006-01-07  Janne Blomqvist  <jb@gcc.gnu.org>

	* configure.ac: Remove check for sys/mman.h.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* config.h.in: Regenerated.
	* aclocal.m4: Regenerated.

From-SVN: r109455

2005-01-07  Richard Guenther  <rguenther@suse.de>

        * gcc.dg/tree-ssa/loop-15.c: Use optimized dump.

From-SVN: r109454

	PR libgcj/24940
	* shlibpath.m4: Replace $SED with sed.
	* configure: Rebuilt.

From-SVN: r109452

fortran/
* decl.c (gfc_match_function_decl): Correctly error out in case of
omitted function argument list.
testsuite/
* gfortran.dg/func_decl_1.f90: New.
* gfortran.dg/array_alloc_1.f90: Fix wrong function declaration.
* gfortran.dg/array_alloc_2.f90: Likewise.
* gfortran.dg/char_result_8.f90: Likewise.
* gfortran.dg/dup_save_1.f90: Likewise.
* gfortran.dg/dup_save_2.f90: Likewise.
* gfortran.dg/f2c_6.f90: Likewise.
* gfortran.dg/f2c_7.f90: Likewise.
* gfortran.dg/func_result_2.f90: Likewise.
* gfortran.fortran-torture/execute/pr23373-2.f90: Likewise.

From-SVN: r109451

2006-01-07  Paul Thomas  <pault@gcc.gnu.org>

	* gfortran.dg/assumed_size_refs_2.f90: Delete svn:executable.
	* gfortran.dg/pointer_assign_1.f90: Delete svn:executable.
	* gfortran.dg/assumed_size_refs_1.f90: Delete svn:executable.
	* gfortran.dg/arrayio_0.f90: Delete svn:executable.

From-SVN: r109450

2006-01-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/22146
	* trans-array.c (gfc_reverse_ss): Remove static attribute.
	(gfc_walk_elemental_function_args): Replace gfc_expr * argument for
	the function call with the corresponding gfc_actual_arglist*.  Change
	code accordingly.
	(gfc_walk_function_expr): Call to gfc_walk_elemental_function_args
	now requires the actual argument list instead of the expression for
	the function call.
	* trans-array.h: Modify the prototype for gfc_walk_elemental_function_args
	and provide a prototype for gfc_reverse_ss.
	* trans-stmt.h (gfc_trans_call): Add the scalarization code for the case
	where an elemental subroutine has array valued actual arguments.

	PR fortran/25029
	PR fortran/21256
	PR fortran/20868
	PR fortran/20870
	* resolve.c (check_assumed_size_reference): New function to check for upper
	bound in assumed size array references.
	(resolve_assumed_size_actual): New function to do a very restricted scan
	of actual argument expressions of those procedures for which incomplete
	assumed size array references are not allowed.
	(resolve_function, resolve_call): Switch off assumed size checking of
	actual arguments, except for elemental procedures and intrinsic
	inquiry functions, in some circumstances.
	(resolve_variable): Call check_assumed_size_reference.

2006-01-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/22146
	* gfortran.dg/elemental_subroutine_1.f90: New test.
	* gfortran.dg/elemental_subroutine_2.f90: New test.

	PR fortran/25029
	PR fortran/21256
	* gfortran.dg/assumed_size_refs_1.f90: New test.

	PR fortran/20868
	PR fortran/20870
	* gfortran.dg/assumed_size_refs_2.f90: New test.
	* gfortran.dg/initialization_1.f90: Change warning message.

From-SVN: r109449

2006-01-06  Daniel Berlin  <dberlin@dberlin.org>

	* tree.c (iterative_hash_expr): Hash decls based on UID.

From-SVN: r109448

From-SVN: r109447

	* java/lang/Character.java (SIZE, MAX_CACHE, charCache,
	MIN_SURROGATE, MAX_SURROGATE): New fields from Classpath.
	(MIN_HIGH_SURROGATE, MAX_HIGH_SURROGATE, MIN_LOW_SURROGATE,
	MAX_LOW_SURROGATE): Javadoc fixes.
	(valueOf, reverseBytes, isHighSurrogate, isLowSurrogate,
	isSurrogatePair, toCodePoint, codePointAt, codePointBefore): New
	methods from Classpath.
	* java/lang/String.java (codePointAt, codePointBefore,
	codePointCount, contains, replace): New methods from Classpath.
	(contentEquals): Declare.
	* java/lang/natString.cc (contentEquals): New method.

From-SVN: r109445

From-SVN: r109442

2006-01-06  Eric Christopher  <echristo@apple.com>

        * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
        (TARGET_UNWIND_EMIT): Fix spelling.
        * target.h (gcc_target): Add except_table_label.
        * except.c (output_function_exception_table): Use.
        * varasm.c (default_emit_except_table_label): New.
        * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
        define.
        (asm_out): Add here.
        * output.h (default_emit_except_table_label): Prototype.
        * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
        * config/darwin.c (darwin_emit_except_table_label): Define.
        * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.

From-SVN: r109435

	* gcj.texi (Arrays): Added more documentation for
	JvNewObjectArray.
	(Primitive types): Correct information about primitive classes.
	(Reference types): New node.
	(Index): New node.

From-SVN: r109432

parser.c (cp_parser_primary_expression): Document the grammar for the built-in offsetof, a GNU extension.

        * parser.c (cp_parser_primary_expression): Document the grammar
        for the built-in offsetof, a GNU extension.

From-SVN: r109431

From-SVN: r109429

	PR tree-optimization/18527
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	number_of_iterations_special, number_of_iterations_exit):
	Move base and step of an iv to a single structure.  Add
	no_overflow flag, and use it in # of iterations analysis.
	* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
	folded_casts argument.
	(simple_iv): Pass base and step in a structure.  Set no_overflow
	flag.
	(scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
	Evaluate expensiveness of computing # of iterations instead of
	the final expression.
	* tree-scalar-evolution.h (affine_iv): New structure.
	(simple_iv): Declaration changed.
	* tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
	* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
	find_givs_in_stmt): Changed due to simple_iv change.

	* gcc.dg/tree-ssa/loop-15.c: New test.

From-SVN: r109427

	PR libgcj/23499:
	* lib/Makefile.in: Rebuilt.
	* lib/Makefile.am (glibj_DATA): Commented out.

From-SVN: r109426

2006-01-06  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_tree.h (_Rb_tree<>::insert_unique): Rename
	to _M_insert_unique.
	(_Rb_tree<>::insert_equal): Rename to _M_insert_equal.
	* include/bits/stl_map.h (class map<>): Update callers.
	* include/bits/stl_set.h (class set<>): Likewise.
	* include/bits/stl_multimap.h (class multimap<>): Likewise.
	* include/bits/stl_multiset.h (class multiset<>): Likewise.

From-SVN: r109424

2005-12-26  Anthony Green  <green@redhat.com>

	* gnu/java/nio/SocketChannelImpl.java (read): Compute the right amount
	of data to read (dst.remaining()).
	* gnu/java/nio/DatagramChannelImpl.java (receive): Ditto.

2005-11-11  Mark Wielaard  <mark@klomp.org>

	Reported by john.zigman@anu.edu.au as bug #24608.
	* gnu/java/nio/SocketChannelImpl.java (read): Put readBytes in
	destination ByteBuffer when it doesn't have an array instead of len
	bytes.

From-SVN: r109422

	* tree-cfg.c (bsi_replace): Rename final argument from
	PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
	change (stmt -> orig_stmt).
	* tree-eh.c (verify_eh_throw_stmt_node): New function.
	(bsi_remove): Add new argument.  Remove EH information
	if requested.
	(verify_eh_throw_table_statements): New function.
	(bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
	updated.
	* tree-optimize.c (execute_free_cfg_annotations): Verify
	the EH throw statement table after removing annotations.
	* except.h (verify_eh_throw_table_statements): Prototype.
	* tree-flow.h (bsi_remove): Update prototype.
	* tree-vrp.c (remove_range_assertions): Add new argument to
	bsi_remove call.
	* tree-ssa-loop-im.c (move_computations_stmt): Likewise.
	* tree-complex.c (expand_complex_div_wide): Likewise.
	* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
	* tree-tailcall.c (eliminate_tailcall): Likewise.
	* tree-ssa-dse.c (dse_optimize_stmt): Likewise.
	* tree-ssa-loop-ivopts.c (remove_statement): Likewise.
	* tree-nrv.c (tree_nrv): Likewise.
	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
	* tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
	(combine_blocks): Likewise.
	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
	* tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
	(cleanup_control_flow): Likewise.
	(remove_forwarder_block): Likewise.
	* tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
	* tree-sra.c (sra_replace): Likewise.
	* tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
	(forward_propagate_single_use_vars): Likewise.
	* tree-ssa-dce.c (remove_dead_stmt): Likewise.
	* tree-inline.c (expand_call_inline): Likewise.
	* tree-vect-transform.c (vect_transform_loop): Likewise.
	* tree-outof-ssa.c (rewrite_trees): Likewise.
	* tree-cfg.c (make_goto_expr_edges): Likewise.
	(cleanup_dead_labels): Likewise.
	(tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
	(bsi_move_before, bsi_move_after): Likewise.
	(bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
	(tree_redirect_edge_and_branch, tree_split_block): Likewise.

From-SVN: r109421

2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/25528
        * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
        and IMAGPART_EXPR.
        * tree-flow-inline.h (var_can_have_subvars): Handle complex types
        on non gimple variables.  Also add checks at the top for decls and
        mtags.
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
        complex types.
        * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
        and IMAGPART_EXPR for creating MUST_DEFs.
        (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
        and NAME_MEMORY_TAG separately from the DECLs.

From-SVN: r109419

From-SVN: r109417

2006-01-06  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (mark_new_vars_to_rename): Create stmt
	annotation, if necessary.
	* tree-ssa-pre.c (create_expression_by_pieces): Remove
	redundant calls to update_stmt.
	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
	Likewise.

From-SVN: r109416

2006-01-06  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_bvector.h (vector<bool>::erase(iterator,
	iterator)): Just use _M_erase_at_end.

2006-01-06  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_bvector.h (class vector<bool>): Move all the
	helpers under protected access mode, consistently with the primary
	vector template.
	(vector<bool>::_M_erase_at_end): Add.
	(erase(iterator, iterator), clear, resize, _M_fill_assign,
	_M_assign_aux): Use it.
	* testsuite/23_containers/vector/bool/modifiers/erase/1.cc: New.

2006-01-06  Paolo Carlini  <pcarlini@suse.de>

	Implement Option 3 of DR 431 for vector<bool>.
	* include/bits/stl_bvector.h (class _Bvector_base): Change to
	a struct, consistently with the primary vector template.
	(class vector<bool>): Adjust to protected inheritance, tidy
	typedefs.
	(_Bvector_base<>::_M_get_Bit_allocator): Add.
	(vector<bool>::vector(const vector&)): Use it.
	(_Bvector_base<>::get_allocator): Tidy.
	(vector<bool>::swap): Use __alloc_swap.
	* testsuite/23_containers/vector/bool/modifiers/swap/1.cc: New.
	* testsuite/23_containers/vector/bool/modifiers/swap/2.cc: New.

From-SVN: r109415

2006-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25598
	* io/file_pos.c (unformatted_backspace): Assure the new file position
	to seek is not less than zero.
	(st_backspace): Set unit bytes_left to zero.
	* io/transfer.c (next_record_r): Fix line lengths, no functional change.

	Fix date on ChangeLog

From-SVN: r109408

2006-01-05  Paolo Carlini  <pcarlini@suse.de>
	
	* testsuite/testsuite_hooks.h (test_tm(unsigned)): Change to
	take all the tm members.
	* testsuite/testsuite_hooks.cc (test_tm): Adjust.
	* testsuite/22_locale/time_put/put/wchar_t/10.cc: Update.
	* testsuite/22_locale/time_put/put/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/4.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/6.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/7.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/8.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/9.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/17038.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/10.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/1.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/2.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/3.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/4.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/5.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/6.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/7.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/8.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/9.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/17038.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/char/3.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/char/1.cc: Likewise.
 	* testsuite/22_locale/time_get/get_monthname/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/3.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/12750.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/12750.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/3.cc: Likewise.
 	* testsuite/22_locale/time_get/get_date/char/12750.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/12750.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/3.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/4.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/3.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/4.cc: Likewise.

From-SVN: r109407

2005-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25598
	* gfortran.dg/backspace_3.f: New test.
	* gfortran.dg/backspace_4.f: New test.

From-SVN: r109406

2006-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25598
	* io/file_pos.c (unformatted_backspace): Assure the new file position
	to seek is not less than zero.
	(st_backspace): Set unit bytes_left to zero.
	* io/transfer.c (next_record_r): Fix line lengths, no functional change.

From-SVN: r109405