2009-06-16  Olatunji Ruwase  <tjruwase@google.com>

	* plugin.c(position_pass): Skip newly inserted pass during list
	traversal to avoid repeated insertion.

2009-06-05  Olatunji Ruwase  <tjruwase@google.com>

	* gcc.dg/plugin/one_time_plugin.c: New test.
	* gcc.dg/plugin/one_time-test-1.c: New test.
	* gcc.dg/plugin/plugin.exp: Added one_time_plugin.c test.

From-SVN: r148566

From-SVN: r148565

	* vec.h (VEC_stack_alloc): Define different version if
	GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
	(DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
	(DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
	(DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.

From-SVN: r148562

2009-06-16  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* libsupc++/exception_ptr.h (exception_ptr::swap(exception_ptr&&)):
	Remove.
	(exception_ptr::operator=(exception_ptr&&)): Cast source to
	rvalue-reference so that move constructor is called.
	* testsuite/18_support/exception_ptr/move.cc: New.

From-SVN: r148555

2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (extra_headers): Add ia32intrin.h for x86.

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
	IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
	IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
	IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
	(ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
	UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
	INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and
	UINT8_FTYPE_UINT8_INT
	(bdesc_special_args): Add __builtin_ia32_rdtsc and
	__builtin_ia32_rdtscp.
	(bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
	__builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
	and __builtin_ia32_rorhi,
	(ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
	UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
	INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and
	UINT8_FTYPE_UINT8_INT.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/i386.md (UNSPECV_RDTSCP): New.
	(UNSPECV_RDTSC): Likewise.
	(UNSPECV_RDPMC): Likewise.
	(*bsr): Removed to ...
	(bsr): This
	(*bsr_rex64): Removed to ...
	(bsr_rex64): This.
	(rdpmc): New.
	(*rdpmc): Likewise.
	(*rdpmc_rex64): Likewise.
	(rdtsc): Likewise.
	(*rdtsc): Likewise.
	(*rdtsc_rex64): Likewise.
	(rdtscp): Likewise.
	(*rdtscp): Likewise.
	(*rdtscp_rex64): Likewise.

	* config/i386/ia32intrin.h: New.

	* config/i386/x86intrin.h: Include <ia32intrin.h>.

From-SVN: r148554

2009-06-16  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/std/thread (~thread(), operator=(thread&&)): Call terminate
	if joinable.

From-SVN: r148552

	* ira-build.c (copy_info_to_removed_store_destinations):
	Initialize parent_a.

From-SVN: r148551

From-SVN: r148550

	* sel-sched.c: Make forward declarations of move_op_hooks and
	fur_hooks explicitly extern.

From-SVN: r148549

	* df-problems.c (df_byte_lr_alloc): Don't set problem_data to
	itself.
	* vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.

From-SVN: r148548

	* resource.c (mark_referenced_resources): Change
	include_delayed_effects parameter to bool.  Change all callers.
	(mark_end_of_function_resources): Likewise.
	* reorg.c (insn_references_resource_p): Likewise.
	(insn_sets_resource_p): Likewise.
	* resource.h (mark_referenced_resources): Update declaration.
	(mark_end_of_function_resources): Update declaration.

From-SVN: r148547

        * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
cp/
        * g++-spec.c (LIBSTDCXX_STATIC): Default to NULL.
        (lang_specific_driver): Always allocate extra argument.
        Add LIBSTDCXX_STATIC to arglist if defined and linking
        statically.

From-SVN: r148546

        * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
        GCC can bootstrap on AIX with GNU Binutils 2.20.

From-SVN: r148545

	* Make-lang.in (cp/class.o): Depend upon gt-cp-class.h.
	(cp/semantics.o): Depend upon gt-cp-semantics.h.

From-SVN: r148544

2009-06-16  Wim Lewis  <wiml@hhhh.org>

	* src/powerpc/ffi.c: Avoid clobbering cr3 and cr4, which are
	supposed to be callee-saved.
	* src/powerpc/sysv.S (small_struct_return_value): Fix overrun of
	return buffer for odd-size structs.

From-SVN: r148543

2009-06-16  Andreas Tobler  <a.tobler@schweiz.org>

	PR libffi/40444
	* testsuite/lib/libffi-dg.exp (libffi_target_compile): Add
	allow_stack_execute for Darwin.

From-SVN: r148542

From-SVN: r148541

	* toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
	inline, not extern inline.
	(exact_log2): Likewise.
	* toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
	test CLZ_HWI.
	(exact_log2): Likewise, but don't test CTZ_HWI.

From-SVN: r148540

	* bitmap.c (bitmap_clear): Don't declare as inline.
	* gimple.c (gimplify_assign): Likewise.
	* tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
	* haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
	(sched_scan_info): Remove duplicate definition.

From-SVN: r148539

2009-06-16  Andrew Haley  <aph@redhat.com>

	* configure.ac (TARGETDIR): Add missing blank lines.
	* configure: Regenerate.

From-SVN: r148538

./:	* c-common.c (skip_evaluation): Don't define.
	(c_inhibit_evaluation_warnings): Define global variable.
	(overflow_warning): Check c_inhibit_evaluation_warnings rather
	than skip_evaluation.
	(convert_and_check, warn_for_div_by_zero): Likewise.
	* c-common.h (skip_evaluation): Don't declare.
	(c_inhibit_evaluation_warnings): Declare.
	* c-parser.c (c_parser_typeof_specifier): Set
	c_inhibit_evaluation_warnings rather than skip_evaluation.
	(c_parser_conditional_expression): Likewise.
	(c_parser_binary_expression): Likewise.
	(c_parser_sizeof_expression): Likewise.
	(c_parser_alignof_expression): Likewise.
	* c-typeck.c (build_indirect_ref): Check
	c_inhibit_evaluation_warnings rather than skip_evaluation.
	(build_conditional_expr, build_binary_op): Likewise.
cp/:
	* parser.c (cp_unevaluated_operand): Define global variable.
	(cp_parser_question_colon_clause): Increment
	c_inhibit_evaluation_warnings when evaluating an expression which
	will never be executed.
	(cp_parser_decltype): Increment cp_unevaluated_operand and
	c_inhibit_evaluation_warnings, not skip_evaluation.
	(cp_parser_sizeof_operand): Likewise.
	(cp_parser_enclosed_template_argument_list): Save
	cp_unevaluated_operand and c_inhibit_evaluation_warnings, not
	skip_evaluation.
	* cp-tree.h (struct saved_scope): Remove skip_evaluation field.
	Add unevaluated_operand and inhibit_evaluation_warnings fields.
	(cp_unevaluated_operand): Declare.
	* name-lookup.c (push_to_top_level): Save cp_unevaluated_operand
	and c_inhibit_evaluation_warnings rather than skip_evaluation.
	(pop_from_top_level): Restore cp_unevaluated_operand and
	c_inhibit_evaluation_warnings rather than skip_evaluation.
	* class.c (build_base_path): Check cp_unevaluated_operand rather
	than skip_evaluation.
	* typeck.c (build_class_member_access_expr): Likewise.
	(cp_build_binary_op): Don't warn about bad shift counts if
	c_inhibit_evaluation_warnings is non-zero.
	* pt.c (coerce_template_parms): Save state of
	cp_unevaluated_operand and c_inhibit_evaluation_warnings, not
	skip_evaluation.
	(tsubst_aggr_type): Likewise.
	(tsubst_pack_expansion): Check cp_unevaluated_operand rather than
	skip_evaluation.
	(tsubst_copy): Likewise.
	(tsubst): Set cp_unevaluated_operand and
	c_inhibit_evaluation_warnings, not skip_evaluation.
	(tsubst_copy_and_build): Likewise.
	* call.c (convert_arg_to_ellipsis): Check cp_unevaluated_operand
	rather than skip_evaluation.
	* decl2.c (mark_used): Likewise.
	* semantics.c (finish_non_static_data_member): Likewise.
	* cvt.c (cp_convert_and_check): Check
	c_inhibit_evaluation_warnings rather than skip_evaluation.
	* mangle.c (write_type): Set cp_unevaluated_operand rather than
	skip_evaluation.
testsuite/:
	* g++.dg/warn/skip-1.C: New testcase.

From-SVN: r148535

2009-06-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (is_escape_site): Remove.
	* tree-ssa-alias.h (enum escape_type): Remove.
	(is_escape_site): Likewise.
	* tree-ssa-structalias.c (find_func_aliases): Handle escapes
	via casts and asms without deferring to is_escape_site.

From-SVN: r148534

	PR middle-end/40446
	* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
	use gen_lowpart if op0 has complex mode.

	* g++.dg/other/pr40446.C: New test.

From-SVN: r148533

From-SVN: r148532

2009-06-16  Matthias Klose  <doko@ubuntu.com>

        * tools/gnu/classpath/tools/gjdoc/Main.java (getGjdocVersion): Use
        gnu.classpath.Configuration.CLASSPATH_VERSION as version number.
        * tools/gnu/classpath/tools/doclets/htmldoclet/HtmlDoclet.java
        (getDocletVersion): Likewise.
        * tools/classes/gnu/classpath/tools/gjdoc/Main*.class: Regenerate.
        * tools/classes/gnu/classpath/tools/doclets/htmldoclet/HtmlDoclet*.class:
        Regenerate.

From-SVN: r148530

        PR 10197
        * testsuite/test-demangle.c: Rename getline to get_line to avoid
        conflicts with system function of the same name.

From-SVN: r148526

2009-06-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (do_ds_constraint): Stores in global
	variables add them to ESCAPED.
	(find_func_aliases): Do not make all indirectly stored values
	escaped.

	* gcc.dg/tree-ssa/pta-escape-1.c: New testcase.
	* gcc.dg/tree-ssa/pta-escape-2.c: Likewise.
	* gcc.dg/tree-ssa/pta-escape-3.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-27.c: Likewise.

From-SVN: r148525

2009-06-16  Rafael Avila de Espindola  <espindola@google.com>

	* config/i386/winnt.c (i386_pe_encode_section_info): Update call to
	make_decl_one_only.

From-SVN: r148523

re PR tree-optimization/40432 (verify_stmts failed with -O2: non-register as LHS of unary operation)

2009-06-16  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40432
	* tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
	check whether we need to force gimple register operand.

	* testsuite/gcc.c-torture/compile/pr40432.c: New file.

From-SVN: r148522

2009-06-16  Andrew Haley  <aph@redhat.com>

        * testsuite/libffi.call/cls_align_sint64.c,
        testsuite/libffi.call/cls_align_uint64.c,
        testsuite/libffi.call/cls_longdouble_va.c,
        testsuite/libffi.call/cls_ulonglong.c,
        testsuite/libffi.call/return_ll1.c,
        testsuite/libffi.call/stret_medium2.c: Fix printf format
        specifiers.
        * testsuite/libffi.call/ffitest.h,
        testsuite/libffi.special/ffitestcxx.h (PRIdLL, PRIuLL): Define.

From-SVN: r148521

re PR tree-optimization/40413 (Internal error in connection with optimization and allocatable objects)

2009-06-16  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40413
	* tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
	build_ref_for_offset.
	(propagate_subacesses_accross_link): Fix a typo in a comment.

	* testsuite/gfortran.fortran-torture/compile/pr40413.f90: New file.

From-SVN: r148520

2009-06-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36947
	PR fortran/40039
	* expr.c (gfc_check_pointer_assign): Call 'gfc_compare_interfaces' with
	error message.
	* gfortran.h (gfc_compare_interfaces): Additional argument.
	* interface.c (operator_correspondence): Removed.
	(gfc_compare_interfaces): Additional argument to return error message.
	Directly use the code from 'operator_correspondence' instead of calling
	the function. Check for OPTIONAL. Some rearrangements.
	(check_interface1): Call 'gfc_compare_interfaces' without error message.
	(compare_parameter): Call 'gfc_compare_interfaces' with error message.
	* resolve.c (check_generic_tbp_ambiguity): Call 'gfc_compare_interfaces'
	without error message.


2009-06-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36947
	PR fortran/40039
	* gfortran.dg/dummy_procedure_1.f90: Extended test case.
	* gfortran.dg/interface_20.f90: Modified error messages.
	* gfortran.dg/interface_21.f90: Ditto.
	* gfortran.dg/interface_26.f90: Ditto.
	* gfortran.dg/interface_27.f90: Ditto.
	* gfortran.dg/interface_28.f90: Extended test case.
	* gfortran.dg/interface_29.f90: New.
	* gfortran.dg/proc_decl_7.f90: Modified error messages.
	* gfortran.dg/proc_decl_8.f90: Ditto.
	* gfortran.dg/proc_ptr_11.f90: Ditto.
	* gfortran.dg/proc_ptr_15.f90: Ditto.

From-SVN: r148519

	* tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
	with additional parameter.
	* tree-vectorizer.h (enum vect_def_type): Add new value 
	vect_nested_cycle.
	(enum vect_relevant): Add comments.
	(vect_is_simple_reduction): Add new argument.
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
	Detect nested cycles.
	(vect_is_simple_reduction): Update documentation, add an argument to
	distinguish inner-loop reduction from nested cycle, detect nested
	cycles, fix printings and indentation, don't swap operands in case
	of nested cycle.
	(get_initial_def_for_reduction): Handle subtraction.
	(vect_create_epilog_for_reduction): Add new argument to specify
	reduction variable.
	(vect_finalize_reduction): Handle subtraction, fix comments.
	(vectorizable_reduction): Handle nested cycles. In case of nested cycle
	keep track of the reduction variable position. Call 
	vect_is_simple_reduction with additional parameter. Use original 
	statement code in reduction epilogue for nested cycle. Call
	vect_create_epilog_for_reduction with additional parameter.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert inner-loop
	vectorization.
	(vect_recog_widen_sum_pattern): Likewise.
	* tree-vect-stmts.c (process_use): Distinguish between nested cycles
	and reductions.
	(vect_mark_stmts_to_be_vectorized): Likewise.
	(vect_get_vec_def_for_operand): Handle nested cycles.

From-SVN: r148518

2009-06-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40383
        * trans-decl.c (create_function_arglist): Copy formal charlist
        * to
        have a proper passed_length for -fcheck=bounds.

2009-06-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40383
        * gfortran.dg/bounds_check_strlen_8.f90: New test.

From-SVN: r148517

gcc/
	* doc/invoke.texi (Debugging Options): Fix option index entries
	for -fdump-statistics, -frandom-seed add entries for
	-fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
	(FRV Options): Fix entries for -mTLS, -mtls.
	(HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
	(i386 and x86-64 Options): Fix entry for -mno-red-zone.
	(M68hc1x Options): Fix @itemx for -mnominmax.
	(MCore Options): Fix entry for -mno-lsim.
	(MMIX Options): Fix entry for -mabi=mmixware.
	(PDP-11 Options): Fix entry for -mbcopy-builtin.

From-SVN: r148516

2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>

	* gcc/doc/plugins.texi (Interacting with the GCC Garbage Collector):
	Mention the plugin mode of gengtype.
	* gcc/doc/gty.texi (Source Files Containing Type Information):
	Likewise.
	* gcc/gengtype.c: Updated copyright.
	(plugin_files, nb_plugin_files) Added new static variables.
	(measure_input_list) Care about plugin_files.
	(write_rtx_next): Added early return in plugin mode.
	(create_file): Updated copyright year in generated file. Added
	asserts.
	(oprintf): Added early return if NULL outf.
	(get_output_file_with_visibility): Care of plugin_files.
	(get_output_file_name): May return null.
	(write_local): Added early return.
	(put_mangled_filename): Ditto.
	(finish_root_table): Added check for base_files.
	(write_roots): Care about null when plugins.
	(main): Added plugin mode.

From-SVN: r148515

./:	* df-problems.c (df_simulate_one_insn_forwards): Fix braces in
	switch.
	* gcov.c (read_count_file): Add braces around variables declared
	before label.

	* c.opt (Wjump-misses-init): New warning.
	* c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
	-Wall and -Wc++-compat if not already set.
	(c_common_post_options): Clear warn_jump_misses_init if it was not
	set.
	* c-decl.c (struct c_binding): Change type field to a union with
	new label field.  Make it the first field in the struct.  Update
	references to type to use u.type instead.
	(struct c_spot_bindings): Define.
	(struct c_goto_bindings): Define.
	(c_goto_bindings_p): Define, along with VECs.
	(struct c_label_vars): Define.
	(struct c_scope): Add has_label_bindings field.
	(bind_label, set_spot_bindings): New static functions.
	(decl_jump_unsafe, update_spot_bindings): New static functions.
	(update_label_decls): New static function.
	(pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
	Update binding u.label field to shadowed field.
	(c_binding_start_stmt_expr): New function.
	(c_binding_end_stmt_expr): New function.
	(pushdecl): Don't call c_begin_vm_scope.
	(make_label): Add defining and p_label_vars parameters.  Change
	all callers.
	(lookup_label): Correct test for whether a label has not yet been
	defined.  Call bind_label rather than bind.
	(warn_about_goto): New static function.
	(lookup_label_for_goto): New function.
	(declare_label): Call bind_label rather than bind.
	(check_earlier_gotos): New static function.
	(define_label): Don't give errors about jumping into statement
	expressions or scopes of variably modified types.  Call
	set_spot_bindings and check_earlier_gotos.  Call bind_label
	instead of bind.  Don't set label_context_stack_se or
	label_context_stack_vm.
	(c_get_switch_bindings): New function.
	(c_release_switch_bindings): New function.
	(c_check_switch_jump_warnings): New function.
	(start_function): Don't set label_context_stack_se or
	label_context_stack_vm.
	(finish_function): Likewise.
	* c-typeck.c (label_context_stack_se): Don't define.
	(label_context_stack_vm): Don't define.
	(c_finish_goto_label): Call lookup_label_for_goto rather than
	lookup_label.  Don't give errors about jumping into a statement
	expression or the scope of a variably modified type.  Don't set
	label_context_stack_se or label_context_stack_vm.
	(struct c_switch): Remove blocked_stmt_expr and blocked_vm
	fields.  Add bindings field.
	(c_start_case): Don't set deleted fields.  Set bindings field.
	(do_case): Rework order of tests.  Don't check blocked_stmt_expr
	or blocked_vm.  Call c_check_switch_jump_warnings.
	(c_finish_case): Don't test blocked_stmt_expr field.  Call
	c_release_switch_bindings.
	(c_begin_stmt_expr): Don't increment blocked_stmt_expr in
	c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
	set label_context_stack_se.  Call c_bindings_start_stmt_expr.
	(c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
	c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
	set label_context_stack_se.  Call c_bindings_end_stmt_expr.
	(c_begin_vm_scope, c_end_vm_scope): Don't define.
	* c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
	(C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
	(C_DECL_UNJUMPABLE_VM): Don't define.
	(C_DECL_UNDEFINABLE_VM): Don't define.
	(struct c_label_list): Don't define.
	(struct c_label_context_se): Don't define.
	(struct c_label_context_vm): Don't define.
	(struct c_spot_bindings): Declare.
	(c_bindings_start_stmt_expr): Declare.
	(c_bindings_end_stmt_expr): Declare.
	(lookup_label_for_goto): Declare.
	(c_get_switch_bindings, c_release_switch_bindings): Declare.
	(c_check_switch_jump_warnings): Declare.
	(label_context_stack_se, label_context_stack_vm): Don't declare.
	(c_finish_goto_label): Update declaration.
	(c_begin_vm_scope, c_end_vm_scope): Don't declare.
	* doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
	(Warning Options): Document -Wjump-misses-init.
cp/:
	* parser.c (cp_parser_direct_declarator): Add braces around
	variables declared before label.
objc/:
	* objc-act.c (objc_start_function): Don't set
	label_context_stack_se or label_context_stack_vm.
testsuite/:
	* gcc.dg/Wjump-misses-init-1.c: New testcase.
	* gcc.dg/Wjump-misses-init-2.c: New testcase.
	* gcc.dg/c99-vla-jump-5.c: Adjust expected error messages.
	Recognize new notes.
	* gcc.dg/stmt-expr-label-2.c: Likewise.
	* gcc.dg/c99-vla-jump-1.c: Recognize new notes.  Fix column
	numbers.
	* gcc.dg/c99-vla-jump-2.c: Recognize new notes.
	* gcc.dg/c99-vla-jump-3.c: Recognize new notes.
	* gcc.dg/c99-vla-jump-4.c: Likewise.
	* gcc.dg/stmt-expr-label-1.c: Likewise.
	* gcc.dg/stmt-expr-label-3.c: Likewise.
	* gcc.dg/vla-8.c: Likewise.  Move error message to different
	line.

From-SVN: r148512

	* gcc.dg/torture/builtin-math-6.c: Robustify and fix clog cases.

From-SVN: r148511

From-SVN: r148510

	* python/libstdcxx/v6/printers.py (StdMapPrinter.__init__): Don't
	set self.iter.
	(StdMapPrinter.to_string): Make a new iterator.
	(StdMapPrinter.children): Likewise.
	(StdSetPrinter.__init__): Don't set self.iter.
	(StdSetPrinter.to_string): Make a new iterator.
	(StdSetPrinter.children): Likewise.

From-SVN: r148506