* Makefile.in (cppexp.o): Depend on cpphash.h.
	* cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
	Include cpphash.h.
	* cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
	* cpplib.c (do_define): Generalise to handle poisoned definitions,
	redefining poisoned identifiers, etc.
	(do_undef): Don't allow poisoned identifiers to be undefined.
	(do_pragma): Add #pragma poison.
	(do_xifdef): Handle `#ifdef xxx' for poisoned xxx.

	* cccp.c: Add T_POISON node type.
	(special_symbol): Handle `defined(xxx)' and plain `xxx' for
	poisoned xxx.
	(do_define): Generalise to handle poisoned definitions,
	redefining poisoned identifiers, etc.
	(do_undef): Don't allow poisoned identifiers to be undefined.
	(do_pragma): Add #pragma poison.
	(do_xifdef): Handle `#ifdef xxx' for poisoned xxx.

	* c-pragma.c (handle_pragma_token): Ignore #pragma poison.
	* c-pragma.h: Add ps_poison state.  We now always have generic
	pragmas.

From-SVN: r29224

	* cp-tree.h (lang_decl_flags): Remove permanent_attr.
	Remove next.
	(LANG_DECL_PERMANENT): Remove.
	* decl.c (duplicate_decls): Don't mess about with obstacks trying
	to free memory.
	(lang_mark_tree): Mark DECL_LANG_SPECIFIC.
	* lex.c (free_lang_decl_chain): Remove.
	(build_lang_decl): Don't use obstacks.
	(retrofit_lang_decl): Likewise.
	(copy_lang_decl): Likewise.

From-SVN: r29223

	* ggc.h (ggc_alloc): New function.
	(ggc_mark): Likewise.
	* ggc-simple.c (ggc_any): New structure.
	(ggc_status): Add anys.
	(n_anys_collected): New variable.
	(ggc_alloc): Define.
	(ggc_mark): Likewise.
	(ggc_collect): Collect the anys.

From-SVN: r29222

	* cp-tree.h (saved_scope): Remove old_binding_level and
	function_decl.  Tidy up.
	* decl.c (mark_saved_scope): Don't set them.
	(maybe_push_to_top_level): Clear memory.

From-SVN: r29221

	* decl.c (layout_var_decl): Change prototype.  Don't complete
	types for external objects.
	(check_initializer): Likewise.  Tidy.
	(initialize_local_var): Complete types here.
	(cp_finish_decl): Not here.  Reorganize a little.
	(grokvardecl): Don't complete types here.

From-SVN: r29220

From-SVN: r29219

From-SVN: r29218

From-SVN: r29217

        * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
        will use into account.  Expand the max width to 5.
        * rtl.c: Likewise.

From-SVN: r29216

        * ggc-simple.c (ggc_free_rtx): Poison the correct amount
        for the rtx length.

From-SVN: r29215

From-SVN: r29214

	* decl.c (start_function): Clear last_dtor_insn and
	last_parm_cleanup_insn.
	(push_cp_function_context): Just copy over a little of
	the old context, not all of it.

From-SVN: r29213

        * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
        last change.

From-SVN: r29212

	* cp-tree.h (copy_to_permanent): Remove.
	(permanent_p): Likewise.
	* decl.c (building_typename_type): Don't use copy_to_permanent.
	(start_decl): Likewise.
	(grok_reference_init): Likewise.
	(cp_finish_decl): Likewise.
	* init.c (build_new_1): Don't use mapcar.
	(build_vec_delete_1): Don't use copy_to_permanent.
	(build_vec_init): Likewise.
	* parse.y (primary): Likewise.
	* parse.c: Regenerated.
	* pt.c (push_template_decl_real): Don't use copy_to_permanent.
	(lookup_template_class): Likewise.
	(tsubst_friend_function): Likewise.
	(instantiate_class_template): Likewise.
	(tsubst_decl): Likewise.
	(tsubst): Likewise.
	(instantiate_template): Likewise.
	(unify): Likewise.
	* rtti.c (get_tinfo_fn): Likewise.
	(build_dynamic_cast): Likewise.
	* semantics.c (finish_if_stmt_cond): Likewise.
	(finish_while_stmt_cond): Likewise.
	(finish_do_stmt): Likewise.
	(finish_for_cond): Likewise.
	(finish_for_expr): Likewise.
	(finish_cleanup): Likewise.
	(add_decl_stmt): Likewise.
	(finish_named_return_value): Likewise.
	(finish_qualified_call_expr): Likewise.
	* tree.c (perm_manip): Remove.
	(build_exception_variant): Don't use copy_to_permanent.
	(permanent_p): Remove.
	(copy_to_permament): Remove.
	(build_min_nt): Don't use copy_to_permanent.
	(build_min): Likewise.
	(min_tree_cons): Likewise.
	* typeckc.c (build_static_cast): Likewise.
	(build_reinterpret_cast): Likewise.
	(build_const_cast): Likewise.

From-SVN: r29211

	* system.h (sbrk, malloc, calloc, realloc): Backup prototypes
	changed from extern char *, to extern PTR.  Also fix typo in
	NEED_DECLARATION_REALLOC test.

	* mips-tdump.c (malloc, calloc, realloc): Don't prototype.

From-SVN: r29210

posix-threads.h (_Jv_PthreadCheckMonitor): Reverted previous change and implemented a correct test in the __m_count case.

	* include/posix-threads.h (_Jv_PthreadCheckMonitor): Reverted
	previous change and implemented a correct test in the __m_count
	case.

From-SVN: r29209

	* gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
	ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
	ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
	ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.

	* c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.

	* cccp.c (pcfinclude): Likewise.

	* global.c (allocno_compare): Likewise.

	* haifa-sched.c (rank_for_schedule): Likewise.

	* local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.

	* reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.

	* stupid.c (stupid_reg_compare): Likewise.

	* tree.c (_obstack_allocated_p): Likewise.

	* varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.

From-SVN: r29208

From-SVN: r29207

        * ggc-simple.c (init_ggc): Absorb the old init.
        (ggc_push_context): Use xcalloc.
        (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
        (ggc_collect): Add [rvts] tags to the collection stats.

From-SVN: r29206

        * lists.c: Include ggc.h.
        (zap_lists): New.
        (init_EXPR_INSN_LIST_cache): Install it.

From-SVN: r29205

From-SVN: r29204

	* g++.old-deja/g++.other/sizeof3.C: New test.
	* g++.old-deja/g++.other/sizeof4.C: New test.
	* g++.old-deja/g++.other/ambig2.C: Mark XFAILs.
	* g++.old-deja/g++.other/lookup16.C: Mark XFAIL.

From-SVN: r29203

From-SVN: r29202

From-SVN: r29201

From-SVN: r29200

	* xmemdup.c:  New xmemdup function.
	* Makefile.in, makefile.vms, vmsbuild.com:  Use xmemdup.[co].

From-SVN: r29199

* rtl.h (obstack_alloc_rtx): Removed, it's now static in
genrtl.c.

From-SVN: r29198

From-SVN: r29197

         * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
         * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
         and SET_DEST. Update comment.

From-SVN: r29196

	* config/c4x/c4x.c: Include ggc.h.
	(c4x_add_gc_roots): New function.
	(c4x_override_options): Call c4x_add_gc_roots.

From-SVN: r29195

        * defaults.h (TARGET_ESC): Move ...
        * system.h: ... here, where Linas had it in the first place.  Silly me.

From-SVN: r29194

	* include/posix-threads.h (_Jv_PthreadCheckMonitor): Changed test
	in __m_count case.

From-SVN: r29193

        * c-common.c: Use ISGRAPH, ISLOWER, toupper.
        * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
        genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
        * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
        * defaults.h (TARGET_ESC): Add default.

From-SVN: r29192

        * configure.in: add i370-*-openedition, i370-*-mvs and
        i370-*-linux targets

From-SVN: r29191

        * config.guess: Add OS/390 match pattern.
        * config.sub: Add mvs, openedition targets.
        * configure.in (i370-ibm-opened*): New.

From-SVN: r29190

	* decl.c (ggc_p): Set it to 1.
	(mark_saved_scope): Add prototype.

From-SVN: r29189

        * config.table: Add openedition target.
        * config/mh-openedition: New file.

From-SVN: r29188

	* dsp16xxx.c: Include ggc.h
	(override_options): Mark GC roots.
	* mn10200.c: Include ggc.h.
	(asm_file_start): Mark GC roots.
	* tahoe.c: Include ggc.h.
	(extensible_operand): Mark GC roots.

From-SVN: r29187

From-SVN: r29186

        * README: Add section discussing status of ELF ABI.
        * i370.c: Fix misc spelling mistakes.
        (i370_label_scan): Updated notes, exception handling.
        (i370_function_prolog): Simplify ELF stack handling.
        * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
        (STACK_GROWS_DOWNWARD): ELF stack grows down.
        (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
        * i370.md: (movdi): Add notes.
        (floatsidf2): Use stack not rtca for scratch float area.
        (iorsi3): Correct operand constraints.
        * x-oe: Restore TAROUTOPTS which are used by pax.

From-SVN: r29185