Friend class name lookup 5/n
	PR c++/1016
	* cp-tree.h (pushtag): Adjust declaration.
	* decl.c (lookup_and_check_tag): Call lookup_type_scope if
	lookup_name fails.
	(xref_tag): Adjust call to pushtag.  Make hidden class visible.
	(start_enum): Adjust call to pushtag.
	* name-lookup.c (ambiguous_decl): Ignore hidden names.
	(qualify_lookup): Change return type to bool.
	(hidden_name_p): New function.
	(lookup_namespace_name, unqualified_namespace_lookup,
	lookup_name_real): Use it.
	(lookup_type_scope): Update comments.
	(maybe_process_template_type_declaration): Change parameter name
	from globalize to is_friend.
	(pushtag): Change globalize parameter of type int to tag_scope.
	Hide name if introduced by friend declaration.
	* name-lookup.h (hidden_name_p): Add declaration.
	* parser.c (cp_parser_lookup_name): Don't deal with hidden name
	here.
	* pt.c (push_template_decl_real): Make hidden class template
	visible.
	(lookup_template_class, instantiate_class_template): Adjust call
	to pushtag.
	* semantics.c (begin_class_definition): Likewise.
	* rtti.c (init_rtti_processing, build_dynamic_cast_1,
	tinfo_base_init, emit_support_tinfos): Use ts_current instead of
	ts_global.

	* g++.dg/lookup/hidden-class1.C: New test.
	* g++.dg/lookup/hidden-class2.C: Likewise.
	* g++.dg/lookup/hidden-class3.C: Likewise.
	* g++.dg/lookup/hidden-class4.C: Likewise.
	* g++.dg/lookup/hidden-class5.C: Likewise.
	* g++.dg/lookup/hidden-class6.C: Likewise.
	* g++.dg/lookup/hidden-class7.C: Likewise.
	* g++.dg/lookup/hidden-class8.C: Likewise.
	* g++.dg/lookup/hidden-class9.C: Likewise.
	* g++.dg/lookup/hidden-temp-class1.C: Likewise.
	* g++.dg/lookup/hidden-temp-class2.C: Likewise.
	* g++.dg/lookup/hidden-temp-class3.C: Likewise.
	* g++.dg/lookup/hidden-temp-class4.C: Likewise.
	* g++.dg/lookup/hidden-temp-class5.C: Likewise.
	* g++.dg/lookup/hidden-temp-class6.C: Likewise.
	* g++.dg/lookup/hidden-temp-class7.C: Likewise.
	* g++.dg/lookup/hidden-temp-class8.C: Likewise.
	* g++.dg/lookup/hidden-temp-class9.C: Likewise.
	* g++.dg/lookup/hidden-temp-class10.C: Likewise.
	* g++.dg/lookup/hidden-temp-class11.C: Likewise.

From-SVN: r96430

	* alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
	stringpool.c, config/mips/mips-protos.h: Update copyright.

From-SVN: r96428

From-SVN: r96427

	* config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
	throughout with its typedef, "rtx".
	* config/rs6000/rs6000.c: Likewise.  Formatting fixes.
	(rs6000_tls_symbol_ref_1): Remove inline keyword.
	* config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
	regs in comment to match code.

From-SVN: r96420

	* tree-cfg.c (verify_stmts): Check that
	bb_for_stmt (stmt) == bb for every PHI node and statement.

From-SVN: r96418

From-SVN: r96417

	PR c++/20157
	* pt.c (determine_specialization): Reject non-specializations.

	PR c++/20157
	* g++.dg/template/error18.C: New test.

From-SVN: r96414

	* regclass.c (reg_class_superclasses, reg_class_subclasses):
	Make them static.
	* hard-reg-set.h: Remove the corresponding declarations.

From-SVN: r96410

	* function.c (get_func_frame_size): Make it static.
	* function.h: Remove the corresponding type.

From-SVN: r96409

	* except.c (check_handled): Make it static.
	* except.h: Remove the corresponding prototype.

From-SVN: r96408

	* config.gcc: Remove excess indentation.
	(powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.

From-SVN: r96405

From-SVN: r96401

	PR middle-end/19331
	* tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
	* fold-const.c (fold_sign_changed_comparison): Likewise.
	(fold_binary): Optimize comparisons against widened operands if
	the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.

From-SVN: r96397

	PR debug/16792
	* g++.dg/debug/pr16792.C: New test.

From-SVN: r96396

	* config/sparc/sparc.c (struct_value_alias_set): New global variable.
	(sparc_override_options): Initialize it.
	(sparc_struct_value_rtx): Set it on the MEM to be returned.

From-SVN: r96395

	* gcc.dg/anon-struct-6.c, gcc.dg/array-8.c,
	gcc.dg/cpp/19940712-1.c, gcc.dg/cpp/19951025-1.c,
	gcc.dg/cpp/tr-warn6.c, gcc.dg/deprecated.c, gcc.dg/init-bad-1.c,
	gcc.dg/init-bad-2.c, gcc.dg/init-bad-3.c, gcc.dg/m-un-2.c,
	gcc.dg/parm-mismatch-1.c, gcc.dg/redecl-1.c: Ensure uniqueness of
	test assertion names.

From-SVN: r96391

        * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
        (reg_or_none500mem_operand): New predicate.
        (zero_reg_mem_operand): New predicate.
        * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
        to reg_or_none500mem_operand.
        (extendsfdf2_fpr): Add MEM alternative.
        (extenddftf2_internal): Change operand2 predicate to
        zero_reg_mem_operand.

From-SVN: r96390

PR fortran/18600
* gfortran.dg/stfunc_1.f90: New test.

From-SVN: r96389

fortran/
PR fortran/16907
* resolve.c (gfc_resolve_index): Allow REAL indices as an extension.

testsuite/
PR fortran/16907
* gfortran.dg/real_index_1.f90: New test.

From-SVN: r96385

fortran/
PR fortran/20323
* resolve.c (gfc_resolve): Check if character lengths are
specification expressions.

testsuite/
PR fortran/20323
* gfortran.dg/spec_expr_1.f90: New test.

From-SVN: r96382

	* ggc-zone.c: Rewritten.

	* alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
	if there are none.
	* configure.ac: Define GGC_ZONE for --with-gc=zone.
	* config.in: Regenerated.
	* configure: Regenerated.
	* gentype.c (write_types_process_field, write_func_for_structure):
	Pass new argument to gt_pch_note_object.
	* ggc-common.c (struct ptr_data): Add TYPE.
	(gt_pch_note_object): Take TYPE argument and save it.
	(call_count): Update call to ggc_pch_count_object.
	(call_alloc): Update call to ggc_pch_alloc_object.
	(gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
	file.
	* ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
	* ggc-page.c (rtl_zone, tree_zone, garbage_zone)
	(ggc_alloc_zone_stat): Delete.
	(ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
	* ggc.h (gt_pch_note_object, ggc_pch_count_object)
	(ggc_pch_alloc_object): Update prototypes.
	(garbage_zone): Delete.
	(tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
	GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
	pointers.
	(tree_id_zone): New variable.
	(ggc_alloc_cleared_zone): Remove unused.
	(ggc_alloc_zone): Define.
	(ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
	* rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
	ggc_alloc_zone_stat.
	* stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
	* tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
	(tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
	(make_node_stat): Likewise.  Use tree_id_zone.

From-SVN: r96381

	* configure.ac: Check for MIPS TLS.
	* configure: Regenerated.
	* config/mips/mips-protos.h (enum mips_symbol_type): Add
	SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
	SYMBOL_GOTTPREL, and SYMBOL_TPREL.
	* config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
	(TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
	(mips_classify_symbol, mips_symbolic_constant_p)
	(mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
	(mips_tls_operand_p, mips_call_tls_get_addr)
	(mips_legitimize_tls_address, mips_cannot_force_const_mem)
	(mips_tls_symbol_ref_1): New functions.
	(mips_legitimize_address, mips_legitimize_const_move): Call
	mips_legitimize_tls_address.
	(override_options): Handle V1_REG and TLS symbols.  Disable TLS
	for MIPS16.
	* config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
	(REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
	(mips_char_to_class): Document V1_REG.
	(HAVE_AS_TLS): Provide default.
	* config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
	constants.
	(load_got<mode>): Renamed from *load_got<mode>.  Allow when
	!TARGET_ABICALLS.
	(tls_get_tp_<mode>): New instruction.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r96380

	* configure.ac: Update checks for target tools.
	* configure: Regenerated.

From-SVN: r96379

From-SVN: r96378

	* expmed.c (expand_mult): Use synthetic multiplication sequences for
	more classes of DImode multiplication by constant.  Allow both
	multiplication by small negative constants (by performing a
	multiplication by a positive constant and negating the result) and
	multiplications by large powers of two, by using a left shift.

From-SVN: r96377

	* tree-ssa-phiopt.c (value_replacement): Remove local variable
	result.

From-SVN: r96376

	* tree-ssa-live.c (build_tree_conflict_graph): Remove local
	variable ann.

From-SVN: r96375

From-SVN: r96374

	* lambda-code.c (lambda_compute_auxillary_space): Remove local
	variable determinant.

From-SVN: r96373

	* builtins.c (expand_builtin_mathfn_3): Remove local variable
	before_call.

From-SVN: r96372

builtins.c (fold_trunc_transparent_mathfn, [...]): Use TYPE (TYPE (fndecl)) instead of TREE_TYPE (exp).

	* builtins.c (fold_trunc_transparent_mathfn,
	fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
	fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
	fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
	fold_builtin_strcpy, fold_builtin_strncpy,
	fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
	TREE_TYPE (exp).

From-SVN: r96371

	* c-decl.c (c_init_decl_processing): Remove useless calls to
	build_function_type.

From-SVN: r96370

	* builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
	config/mips/vr.h: Update copyright.

From-SVN: r96369

2005-03-13  Feng Wang  <fengwang@nudt.edu.cn>

        * MAINTAINERS (Write After Approval): Add myself.

From-SVN: r96368

	* tree-into-ssa.c (find_idf): Speed up by putting the indexes
	of basic blocks into work_stack.

From-SVN: r96367

	PR target/18251
	* config/avr/avr.md (movmemhi): Rewrite as RTL loop.
	(*movmemqi_insn): Delete.
	(*movmemhi): Delete.

From-SVN: r96365

	* builtins.c (fold_builtin_classify): Take decomposed
	arguments of CALL_EXPR.
	(fold_builtin_1): Update a call to fold_builtin_classify.

From-SVN: r96364

	PR c/20402
	* c-parser.c (c_parser_struct_or_union_specifier): Don't fall
	through into call to parser_xref_tag after parse error.
	(c_parser_struct_declaration): Consistently return NULL_TREE on
	error.

testsuite:
	* gcc.dg/noncompile/920923-1.c: Detail expected diagnostics for
	new parser.

From-SVN: r96363

In gcc/ada/
2005-03-12  Daniel Berlin <dberlin@dberlin.org>

	* misc.c (gnat_post_options): Turn off structural
	aliasing for now.
In gcc/
2005-03-12  Daniel Berlin  <dberlin@dberlin.org>

	* tree-flow-inline.h (ref_contains_array_ref): New function.
	(lookup_subvars_for_var): Ditto.
	(get_subvars_for_var): Ditto.
	(var_can_have_subvars): Ditto.

	* tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
	(struct subvar): New type.

	* tree-dfa.c (okay_component_ref_for_subvars): New function.

	* tree-optimize.c (init_tree_optimization_passes): Call
	pass_create_structure_vars.

	* tree-ssa-alias.c: Include vec.h.
	(init_alias_info): Don't auto-clear call clobbered on struct-field
	tags.
	(compute_flow_insensitive_aliasing): Handle subvars.
	(group_aliases): Handle STRUCT_FIELD aliases.
	(setup_pointers_and_addressables): Ditto.
	Don't mark variables non-addressable if they still have
	addressable subvars.
	Also mark subvars addressable when the real variable is marked
	addressable.
	(add_pointed_to_var): Try to prune the pointed-to set by only
	pointing to subvars when possible.
	Otherwise, make sure we set addresses_needed and pt_vars to
	properly include subvars.
	(bitpos_of_field): New function.
	(push_fields_onto_fieldstack): Ditto.
	(get_or_create_used_part_for): Ditto.
	(create_overlap_variables_for): Ditto.
	(find_used_portions): Ditto.
	(create_structure_vars): Ditto.
	(pass_create_structure_vars): New structure.

	* tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
	(get_expr_operands): Handle subvars.  Also try to turn
	COMPONENT_REF accesses into must-defs now that we can accurately
	portray it.
	(note_addressable): Try to only mark as addressable those subvars
	we know a COMPONENT_REF touches.
	(overlap_subvar): New function.

	* tree-vect-analyze.c (vect_object_analysis): Add new parameter.
	Handle subvar storing.
	(vect_address_analysis): Update caller of vect_object_analysis.

	* tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.

	* tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
	(STMT_VINFO_SUBVARS): New macro.

	* common.opts: add flag_tree_salias.

	* opts.c (decode_options): flag_tree_salias defaults to on.

	* doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.

	* doc/tree-ssa.texi: Document structural alias analysis.

From-SVN: r96362

From-SVN: r96360