From-SVN: r82256

2004-05-25  Vladimir Makarov  <vmakarov@redhat.com>

	* global.c (global_alloc): Call make_accurate_live_analysis.
	(record_one_conflict): Remove dead code.
	(mark_reg_clobber): Remove ATTRIBUTE_UNUSED for parameter data.
	(bb_info): New structure.
	(BB_INFO, BB_INFO_BY_INDEX): New macros.
	(allocate_bb_info, free_bb_info, mark_reg_change,
	calculate_local_reg_bb_info, set_up_bb_rts_numbers, rpost_cmp,
	modify_bb_reg_pav, calculate_reg_pav,
	make_accurate_live_analysis): New functions.

From-SVN: r82254

2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>

	Merge from the libobjc-branch
	2004-02-09  Andrew Pinski  <pinskia@physics.uc.edu>

		* Makefile.in (OBJC_H): Change objc-deps.h to objc-decls.h.

	2004-02-03  Andrew Pinski  <pinskia@physics.uc.edu>

		* Makefile.in (OBJC_H): Add objc-deps.h.

	2004-01-27  Nicola Pero  <n.pero@mi.flashnet.it>

		* Protocol.m ([-conformsTo:]): If the argument is nil, return NO.
		([-hash], [-isEqual:]): New methods.

	2004-01-27  Richard Frith-Macdonald <rfm@gnu.org>

		* sarray.c (sarray_free): Add a better comment.

	2004-01-27  Adam Fedor  <fedor@gnu.org>

		* hash.c (hash_add): Cast cachep to int.
		* selector.c (__sel_register_typed_name): Cast
		soffset_decode to int.

	2004-01-27  Alexander Malmberg  <alexander@malmberg.org>

		* selector.c: Rename register_selectors_from_list to
		__objc_register_selectors_from_list. Update caller.
		(__objc_register_selectors_from_list): Lock __objc_runtime_mutex
		while registering selectors. Use __sel_register_typed_name instead
		of sel_register_typed_name. Check for NULL method_name:s.
		(pool_alloc_selector): New function.
		(__sel_register_typed_name): Use pool_alloc_selector to allocate
		selector structures.
		* sendmsg.c (class_add_method_list): Use
		__objc_register_selectors_from_list.
		* objc/runtime.h: Add __objc_register_selectors_from_list.

	2004-01-25  Adam Fedor  <fedor@gnu.org>
	            Nicola Pero  <n.pero@mi.flashnet.it>
	            Andrew Pinski  <pinskia@physics.uc.edu>

		* objc/objc-decls.h: New file.
		* objc/objc-api.h (_objc_lookup_class): Mark as export.
		(_objc_load_callback): Likewise.
		(_objc_object_alloc): Likewise.
		(_objc_object_copy): Likewise.
		(_objc_object_dispose): Likewise.

	2004-01-25  Andrew Pinski  <pinskia@physics.uc.edu>

		* archive.c: s/__inline__/inline
		* sendmsg.c: Likewise.

		* encoding.c: Remove FIXME about the warning
		about unused variable.
		* sendmsg.c: Add a FIXME comment saying that
		this should be using libffi.

		* Makefile.in (LIBTOOL): Use @LIBTOOL@ now as it works.

From-SVN: r82253

       * alias.c (init_alias_analysis): Use ggc_calloc instead of
       xrealloc.
       (end_alias_analysis): Use ggc_free instead fo free.

From-SVN: r82251

2004-05-25  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/15489
	* scripts/create_testsuite_files: Revert xtype change, add non-GNU
	bits to do the same thing.

From-SVN: r82250

2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/15546
        * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Mark the DECL
        as needed to be outputted.

From-SVN: r82249

From-SVN: r82243

From-SVN: r82236

 	* ddg.h, ddg.c, modulo-sched.c: New files.
 	* cfglayout.c (duplicate_insn_chain): Remove "static" and push
 	internals to "dupicate_insn".
 	(duplicate_insn): New function.
 	* cfglayout.h (duplicate_insn_chain, duplicate_insn): New
 	declarations.
 	* common.opt (fmodulo-sched): New flag.
 	* df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
 	Remove static and forward declaration.
 	(df_find_def, df_reg_used, df_bb_regno_last_def_find): New
 	functions.
 	* df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
 	df_bb_regno_last_def_find, df_find_def, df_reg_used): New
 	declarations.
 	* flags.h (flag_modulo_sched): New flag.
 	* opts.c (common_handle_option): Handle modulo-sched flag.
 	* params.def (max-sms-loop-number, sms-max-ii-factor,
 	sms-dfa-history, sms-loop-average-count-threshold): New
 	parameters.
	* params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
 	SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
 	parameters.
 	* passes.c ("sms", "sms-vcg"): New dumps.
 	(rest_of_handle_sched): Call sms_schedule.
 	* rtl.h (sms_schedule): New declaration.
 	* timevar.def (TV_SMS): New.
 	* toplev.c (flag_modulo_sched): Initialize.
 	(f_options): Handle -fmodulo-sched option.
 	* docs/invoke.texi: Document -fmodulo-sched & -dm options.
 	* docs/passes.texi: Document new SMS pass.f toplev.c doc/invoke.texi doc/passes.texi

Co-Authored-By: Mostafa Hagog <mustafa@il.ibm.com>

From-SVN: r82235

2004-05-25  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (OBJS): Add rtlhooks.o.
	(rtlanal.o): Depend on function.h.
	(cse.o): Depend on rtlhooks-def.h.
	(combine.o): Depend on rtlhooks-def.h.
	(rtlhooks.o): New rule.
	* combine.c: Include rtlhooks-def.h.
	(nonzero_bits, cached_nonzero_bits, nonzero_bits1,
	num_sign_bit_copies, cached_num_sign_bit_copies,
	num_sign_bit_copies1): Move most of the code to rtlanal.c.
	(reg_nonzero_bits_for_combine,
	reg_num_sign_bit_copies_for_combine): New functions holding
	the remnants of the above.
	(combine_rtl_hooks): New.
	(combine_instructions): Set rtl_hooks instead of gen_lowpart.
	* cse.c: Include rtlhooks-def.h.
	(cse_rtl_hooks): New.
	(cse_main): Set rtl_hooks instead of gen_lowpart.
	* emit-rtl.c (gen_lowpart): Remove.
	(gen_lowpart_general): Move to rtlhooks.c.
	* rtl.h (nonzero_bits, num_sign_bit_copies,
	struct rtl_hooks, rtl_hooks, general_rtl_hooks): New.
	(gen_lowpart_general): Remove.
	(gen_lowpart): Temporarily redefine as a macro.
	* rtlanal.c: Include function.h.
	(nonzero_bits, cached_nonzero_bits, nonzero_bits1,
	num_sign_bit_copies, cached_num_sign_bit_copies,
	num_sign_bit_copies1): New, from combine.c.
	* rtlhooks.c: New file.

From-SVN: r82234

From-SVN: r82233

2004-05-25  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.am: the correct directory for
	gettext include files is given by @INCINTL@.
	* Makefile.in: Regenerate.

From-SVN: r82229

From-SVN: r82226

From-SVN: r82222

	* method.c (implicitly_declare_fn): Don't call defer_fn; abort
	if it might be needed.
	* pt.c (mark_decl_instantiated): Only call defer_fn if
	the function actually needs processing in finish_file.
	* decl2.c (finish_file): Add check that elements in
	deferred_fns_used are really needed there.  Remove unnecessary
	test of DECL_SAVED_TREE.

From-SVN: r82217

	* intl.h (open_quote, close_quote): New.
	* intl.c (open_quote, close_quote): New.
	(gcc_init_libintl): Set them.
	* pretty-print.c: Include "intl.h".
	(pp_base_format_text): Support 'q' format flag and %` and %'
	formats.  Use ' instead of ` in comments.
	* c-format.c (gcc_diag_flag_specs, gcc_cxxdiag_flag_specs,
	gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table,
	foramt_types_orig): Describe these new formats.
	(decode_format_attr, check_function_format,
	check_format_info_main): Use these new formats.
	(status_warning): Use ATTRIBUTE_GCC_DIAG.
	* toplev.c (ATTRIBUTE_GCC_DIAG): Increase required GCC version to
	check these formats to 3.5.

From-SVN: r82215

2004-05-24  Janis Johnson  <janis187@us.ibm.com>

	* gcc.dg/altivec-7.c: Don't use 'vector long'.
	* gcc.dg/altivec-14.c: New test.
	* g++.dg/ext/altivec-7.C: Don't use 'vector long'.

From-SVN: r82213

2004-05-24  Janis Johnson  <janis187@us.ibm.com>

	* gcc.dg/altivec-6.c: Use -maltivec, don't limit to darwin.
	* gcc.dg/altivec-12.c: Ditto.

From-SVN: r82212

2004-05-24  Janis Johnson  <janis187@us.ibm.com>

	* gcc.dg/altivec-3.c: Move call to altivec_check.

From-SVN: r82211

	* Makefile.in (CPPLIBS): Renamed to CPPLIB.
	(BACKEND): Reflect this.
	(LIBDEPS): Move CPPLIB before LIBIBERTY.
	(LIBS): Likewise.

From-SVN: r82210

	PR tree-optimization/14197
	* builtins.c: Include "tree-gimple.h"
	(readonly_data_expr): Use get_base_address.  Make sure to call
	decl_readonly_section only on trees it can handle.
	* tree-gimple.c (get_base_address): Accept STRING_CST and
	CONSTRUCTOR expressions.
	* Makefile.in: Update dependencies.

From-SVN: r82209

From-SVN: r82206

2004-05-24  Geert Bosch  <bosch@gnat.com>

	* a-numaux-x86.adb (Reduce): Reimplement using an approximation of Pi
	with 192 bits of precision, sufficient to reduce a double-extended
	arguments X with a maximum relative error of T'Machine_Epsilon, for X
	in -2.0**32 .. 2.0**32.
	(Cos, Sin):  Always reduce arguments of 1/4 Pi or larger, to prevent
	reduction by the processor, which only uses a 68-bit approximation of
	Pi.
	(Tan): Always reduce arguments and compute function either using
	the processor's fptan instruction, or by dividing sin and cos as needed.

2004-05-24  Doug Rupp  <rupp@gnat.com>

	* adaint.c (__gnat_readdir): Cast CRTL function retun value to avoid
	gcc error on 32/64 bit VMS.

2004-05-24  Olivier Hainque  <hainque@act-europe.fr>

	* init.c (__gnat_error_handler): Handle EEXIST as EACCES for SIGSEGVs,
	since this is what we get for stack overflows although not documented
	as such.
	Document the issues which may require adjustments to our signal
	handlers.

2004-05-24  Ed Schonberg  <schonberg@gnat.com>

	* inline.adb (Add_Scope_To_Clean): Do not add cleanup actions to the
	enclosing dynamic scope if the instantiation is within a generic unit.

2004-05-24  Arnaud Charlet  <charlet@act-europe.fr>

	* exp_dbug.ads: Fix typo.

	* Makefile.in: s-osinte-linux-ia64.ads was misnamed.
	Rename it to its proper name: system-linux-ia64.ads
	(stamp-gnatlib1): Remove extra target specific run time files when
	setting up the rts directory.

2004-05-24  Javier Miranda  <miranda@gnat.com>

	* einfo.ads, einfo.adb (Limited_Views): Removed.
	(Limited_View): New attribute that replaces the previous one. It is
	now a bona fide package with the limited-view list through the
	first_entity and first_private attributes.

	* sem_ch10.adb (Install_Private_With_Clauses): Give support to
	limited-private-with clause.
	(Install_Limited_Withed_Unit): Install the private declarations of a
	limited-private-withed package. Update the installation of the shadow
	entities according to the new structure (see Build_Limited_Views)
	(Build_Limited_Views): Replace the previous implementation of the
	limited view by a package entity that references the first shadow
	entity plus the first shadow private entity (required for limited-
	private-with clause)
	(New_Internal_Shadow_Entity): Code cleanup.
	(Remove_Limited_With_Clause): Update the implementation to undo the
	new work carried out by Build_Limited_Views.
	(Build_Chain): Complete documentation.
	Replace Ada0Y by Ada 0Y in comments
	Minor reformating

	* sem_ch3.adb (Array_Type_Declaration): In case of anonymous access
	types the level of accessibility depends on the enclosing type
	declaration.

	* sem_ch8.adb (Find_Expanded_Name): Fix condition to detect shadow
	entities. Complete documentation of previous change.

2004-05-24  Robert Dewar  <dewar@gnat.com>

	* namet.adb: Minor reformatting
	Avoid use of name I (replace by J)
	Minor code restructuring

	* sem_ch6.adb: Minor reformatting

	* lib-writ.adb: Do not set restriction as active if this is a
	Restriction_Warning case.

	* sem_prag.adb: Reset restriction warning flag if real pragma
	restriction encountered.

	* s-htable.adb: Minor reformatting
	Change rotate count to 3 in Hash (improves hash for small strings)

	* 5qsystem.ads: Add comments for type Address (no literals allowed).

	* gnat_ugn.texi: Add new section of documentation "Code Generation
	Control", which describes the use of -m switches.

2004-05-24  Eric Botcazou  <ebotcazou@act-europe.fr>

	(tree_transform) <N_Identifier>: Do the dereference directly through
	the DECL_INITIAL for renamed variables.

From-SVN: r82205

2004-05-24  Paolo Bonzini  <bonzini@gnu.org>

	* system.h [!ENABLE_NLS]: dgettext takes two
	parameters.

From-SVN: r82204

From-SVN: r82203

2004-05-24  Daniel Berlin  <dberlin@dberlin.org>

	PR other/15627
	* engine/util.h: Include ansidecl.h.
	Make max and min static inline.
	* engine/util.c: Remove max and min from here.

From-SVN: r82202

2005-05-24  Paolo Bonzini <bonzini@gnu.org>

	* configure.in: Test the ability to symlink directories.
	* configure: Regenerate.

	* Makefile.def (bootstrap-stage): New definitions.
	* Makefile.tpl (configure-stage1-gcc,
	configure-stage2-gcc, configure-stage3-gcc,
	all-stage1-gcc, all-stage2-gcc, all-stage3-gcc,
	new-bootstrap, new-cleanstrap, new-restage1, new-restage2,
	new-restage3, compare): Autogenerate, see Makefile.in
	entry for behavioral changes.
	(distclean-stage1, new-stage1-start, new-stage1-end,
	new-stage1-bubble, distclean-stage2, new-stage2-start,
	new-stage2-end, new-stage2-bubble, distclean-stage3,
	new-stage3-start, new-stage3-end): New autogenerated targets.
	(objext, prebootstrap, BOOT_CFLAGS,
	POSTSTAGE1_FLAGS_TO_PASS): Move above the autogenerated
	targets.

	* Makefile.in: Regenerate.
	(distclean-stage1, new-stage1-start, new-stage1-end,
	new-stage1-bubble, distclean-stage2, new-stage2-start,
	new-stage2-end, new-stage2-bubble, distclean-stage3,
	new-stage3-start, new-stage3-end): New targets.
	(all-stage1-gcc): Move prebootstrap dependency from here...
	(configure-stage1-gcc): ...to here.
	(new-bootstrap): Use bubble targets.
	(new-cleanstrap, new-restage1, new-restage2, new-restage3):
	Use per-stage distclean targets.
	(configure-stage1-gcc, configure-stage2-gcc,
	configure-stage3-gcc, all-stage1-gcc,
	all-stage2-gcc, all-stage3-gcc, new-bootstrap):
	Use new-stageN-start to prepare the tree.

From-SVN: r82200

ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (host_modules): add libcpp.
	* Makefile.tpl: Add dependencies on and for libcpp.
	* Makefile.in: Regenerate.
	* configure.in: Add libcpp host module.
	* configure: Regenerate.

config/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* acx.m4 (ACX_HEADER_STDBOOL, ACX_HEADER_STRING):
	From gcc.

gcc/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	Move libcpp to the toplevel.
	* Makefile.in: Remove references to libcpp files,
	use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
	and change hashtable.h to that.
	* aclocal.m4 (gcc_AC_HEADER_STDBOOL,
	gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
	* configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
	* configure: Regenerate.
	* config.in: Regenerate.
	* c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
	* cppcharset.c: Removed.
	* cpperror.c: Removed.
	* cppexp.c: Removed.
	* cppfiles.c: Removed.
	* cpphash.c: Removed.
	* cpphash.h: Removed.
	* cppinit.c: Removed.
	* cpplex.c: Removed.
	* cpplib.c: Removed.
	* cpplib.h: Removed.
	* cppmacro.c: Removed.
	* cpppch.c: Removed.
	* cpptrad.c: Removed.
	* cppucnid.h: Removed.
	* cppucnid.pl: Removed.
	* cppucnid.tab: Removed.
	* hashtable.c: Removed.
	* hashtable.h: Removed.
	* line-map.c: Removed.
	* line-map.h: Removed.
	* mkdeps.c: Removed.
	* mkdeps.h: Removed.
	* stringpool.h: Include symtab.h instead of hashtable.h.
	* tree.h: Include symtab.h instead of hashtable.h.
	* system.h (O_NONBLOCK, O_NOCTTY): Do not define.

gcc/cp/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* Make-lang.in: No need to specify $(LIBCPP).

gcc/java/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* Make-lang.in: Link in $(LIBCPP) instead of mkdeps.o.

libcpp/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	Moved libcpp from the gcc subdirectory to the toplevel.
	* Makefile.am: New file.
	* Makefile.in: Regenerate.
	* configure.ac: New file.
	* configure: Regenerate.
	* config.in: Regenerate.
	* charset.c: Moved from gcc/cppcharset.c.  Add note about
	brokenness of input charset detection.  Adjust for change
	in name of cppucnid.h.
	* errors.c: Moved from gcc/cpperror.c.  Do not include intl.h.
	* expr.c: Moved from gcc/cppexp.c.
	* files.c: Moved from gcc/cppfiles.c.  Do not include intl.h.
	Remove #define of O_BINARY, it is in system.h.
	* identifiers.c: Moved from gcc/cpphash.c.
	* internal.h: Moved from gcc/cpphash.h.  Change header
	guard name.  All other files adjusted to match name change.
	* init.c: Moved from gcc/cppinit.c.
	(init_library) [ENABLE_NLS]: Call bindtextdomain.
	* lex.c: Moved from gcc/cpplex.c.
	* directives.c: Moved from gcc/cpplib.c.
	* macro.c: Moved from gcc/cppmacro.c.
	* pch.c: Moved from gcc/cpppch.c.  Do not include intl.h.
	* traditional.c: Moved from gcc/cpptrad.c.
	* ucnid.h: Moved from gcc/cppucnid.h.  Change header
	guard name.
	* ucnid.pl: Moved from gcc/cppucnid.pl.
	* ucnid.tab: Moved from gcc/cppucnid.tab.  Change header
	guard name.
	* symtab.c: Moved from gcc/hashtable.c.
	* line-map.c: Moved from gcc.  Do not include intl.h.
	* mkdeps.c: Moved from gcc.
	* system.h: New file.

libcpp/include/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* cpplib.h: Moved from gcc.  Change header guard name.
	* line-map.h: Moved from gcc.  Change header guard name.
	* mkdeps.h: Moved from gcc.  Change header guard name.
	* symtab.h: Moved from gcc/hashtable.h.  Change header
	guard name.

libcpp/po/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* be.po: Extracted from gcc/po/be.po.
	* ca.po: Extracted from gcc/po/ca.po.
	* da.po: Extracted from gcc/po/da.po.
	* de.po: Extracted from gcc/po/de.po.
	* el.po: Extracted from gcc/po/el.po.
	* es.po: Extracted from gcc/po/es.po.
	* fr.po: Extracted from gcc/po/fr.po.
	* ja.po: Extracted from gcc/po/ja.po.
	* nl.po: Extracted from gcc/po/nl.po.
	* sv.po: Extracted from gcc/po/sv.po.
	* tr.po: Extracted from gcc/po/tr.po.

From-SVN: r82199

2004-05-24  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/istream.tcc (ignore): Correctly deal with
	n == numeric_limits<streamsize>::max().
	* testsuite/27_io/basic_istream/ignore/char/2.cc: New.

	* include/bits/istream.tcc (basic_istream<>::getline): Prefer
	'_M_gcount + 1 < __n' to '--__n; _M_gcount < __n', just in case
	__n == numeric_limits<>::min().

	* include/bits/istream.tcc: Minor tweaks.

	* testsuite/21_strings/basic_string/inserters_extractors/char/10.cc:
	Tighten.
	* testsuite/21_strings/basic_string/inserters_extractors/char/11.cc:
	Likewise.
	* testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
	Likewise.
	* testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
	Likewise.
	* testsuite/27_io/basic_istream/getline/char/5.cc: Likewise.

From-SVN: r82198

2004-05-23 Paolo Bonzini <bonzini@gnu.org>

	* gcc.c (struct prefix_list): Add forward declaration.
	(do_spec_path): New function, extracted from...
	(do_spec_1) <'D'>: ... here.  Drop support for
	SPACE_AFTER_L_OPTION.
	(do_spec_1) <'I'>: Use do_spec_path.
	(process_command): Do not store the 'include' suffix
	in include_prefixes.
	* system.h: Poison SPACE_AFTER_L_OPTION.

From-SVN: r82197

fold-const.c (non_lvalue): Explicitly list the tree codes that need to be wrapped by NON_LVALUE_EXPR...


	* fold-const.c (non_lvalue): Explicitly list the tree codes that
	need to be wrapped by NON_LVALUE_EXPR, instead of those that don't.

From-SVN: r82195

	PR c++/15044
	* parser.c (cp_parser_class_head): Robustify.

	PR c++/15317
	* parser.c (cp_parser_decl_specifier_seq): Correct error in
	comment.
	(cp_parser_constructor_declarator_p): Treat attributes
	as decl-specifiers.

	PR c++/15329
	* typeck.c (build_unary_op): Do not attempt to resolve casts to
	base classes in templates.

	PR c++/15044
	* g++.dg/template/error12.C: New test.

	PR c++/15317
	* g++.dg/ext/attrib15.C: New test.

	PR c++/15329
	* g++.dg/template/ptrmem9.C: New test.

From-SVN: r82191

From-SVN: r82180

	* expr.c (check_inquiry): Remove bogus tests.
testsuite/
	* gfortran.fortran-torture/compile/inquiry_1.f90: New test.

From-SVN: r82177

	* doc/gcc.texi, doc/gccint.texi, doc/include/gcc-common.texi:
	Update based on printed manual.  Enable setting of offsets for
	FSFPRINT and move it to gcc-common.texi.
	* doc/gcc.texi: Update FSF printing details.
	* doc/gccint.texi: Remove FSF printing details.

From-SVN: r82175

	PR c++/15165
	* pt.c (instantiate_template): Robustify.

	PR c++/15165
	* g++.dg/template/crash19.C: New test.

From-SVN: r82174

	PR c++/15025
	* decl.c (xref_tag): Issue errors about redeclaring template
	classes as non-template classes.

	PR c++/15025
	* g++.dg/template/redecl1.C: New test.

From-SVN: r82172

	PR c++/14821
	* name-lookup.c (supplement_binding): Allow redefinitions of
	namespace aliases.

	PR c++/14883
	* parser.c (cp_parser_template_argument): Robustify.

	PR c++/14821
	* g++.dg/other/ns1.C: New test.

	PR c++/14883
	* g++.dg/template/invalid1.C: New test.

From-SVN: r82170

From-SVN: r82169

From-SVN: r82167