for details.

        * haifa-sched.c: Mirror recent changes from gcc2.

From-SVN: r18984

From-SVN: r18980

	* class.c (finish_struct_1): Add vbase fields earlier.  Set
	CLASSTYPE_SIZE of an empty base to 0.  Types with bases can be empty.
	* search.c (dfs_check_overlap, dfs_no_overlap_yet): New fns.
	(types_overlap_p): New fn.
	* tree.c (avoid_overlap): New fn.
	(build_base_fields): Use it to avoid overlapping empty bases.
	* cp-tree.h, decl2.c, lang-options.h: Add -fnew-abi.

From-SVN: r18978

From-SVN: r18976

	* compile/980329-1.c: New test.

From-SVN: r18975

From-SVN: r18974

	* tree.c (unshare_base_binfos): New fn.
	(layout_basetypes): Use it.  Now handles offsets of both virtual and
	non-virtual bases, after layout_type.
	(layout_vbasetypes): Remove.
	(build_base_fields): Generate FIELD_DECLs for each non-virtual base.
	(build_vbase_pointer_fields): Split out from old layout_basetypes.
	* class.c (finish_base_struct): Lose offset handling code.
	Move nonvdtor warning here.  Don't mess with t_binfo anymore.
	(finish_struct_1): Don't mess with t_binfo anymore.  Use fns above.
	* cp-tree.h: Adjust.

From-SVN: r18973

        * pa.c (output_global_address): Initialize base.
        * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.

From-SVN: r18972

        * gthr.h: Support systems that don't have weak, but have threads.
        * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
        * gthr-vxworks.h: New file.
        * objc/thr-vxworks.h: Dummy file from thr-single.c for now.

From-SVN: r18971

	* info/termdep.h: If POSIX, #undef TIOCGETC for benefit of systems
	that provide TIOCETC but not struct tchars.

From-SVN: r18967

Fix x86 core dump on regex.c
	* i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.

From-SVN: r18966

	* cp-tree.h: Lose CLASSTYPE_VBASE_SIZE, some unused stuff.
	* decl.c, decl2.c, pt.c, ptree.c, lex.c: Likewise.
	* class.c (duplicate_tag_error): Likewise.
	(finish_struct_1): Set CLASSTYPE_SIZE, CLASSTYPE_MODE, CLASSTYPE_ALIGN.
	* tree.c (layout_vbasetypes): Update from layout_record, remove
	var_size support, use CLASSTYPE_SIZE instead of CLASSTYPE_VBASE_SIZE.
	(layout_basetypes): Likewise.

From-SVN: r18965

From-SVN: r18964

	* ginclude/va-i960.h (va_end): Change void * to void.

From-SVN: r18961

        * Makefile.in (choose-temp.o): Depend on system.h.
Patched in both the libiberty and gcc directories:
        * choose-temp.c: Include system.h when IN_GCC.

From-SVN: r18952

From-SVN: r18948

* reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
(move_replacements): New function.
* reload.h: Prototype it.
* alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.

Co-Authored-By: Richard Henderson <rth@cygnus.com>

From-SVN: r18947

* final.c (alter_subreg): Allow the target to hook by-mode subreg
hard register number changes.

From-SVN: r18946

* emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
(gen_highpart): Likewise.

From-SVN: r18945

* configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
Run fixincludes.

From-SVN: r18944

        * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
        rnbitsize, rnmode and rinner.
        (make_range): Initialize type.
        (fold): Initialize arg0, arg1 and varop.
        * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
        and regnor.
        (expand_function_start): Initialize last_ptr.
        * stor-layout.c (layout_record): Initialize desired_align.
        (get_best_mode): Initialize unit.
        * tree.c (copy_node): Initialize length.

From-SVN: r18943

        * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
        * caller-save.c (insert_save_restore): Initialize pat, code and
        numregs.
        * emit-rtl.c (push_to_sequence): Initialize top.
        (push_topmost_sequence): Likewise.
        * genattrtab.c (simplify_by_exploding): Initialize defval.
        * profile.c (branch_prob): Initialize dest.
        * rtl.h (note_stores): Remove duplicate prototype.
        (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
Fix some warnings.
        * cplus-dem.c (gnu_special): Don't get confused by .<digits>
        strings that are not actually lengths.
A change from libiberty that didn't make it into the gcc copy.

From-SVN: r18942

        * genattrtab.c: Make generated file use system.h, instead of
        including stdio.h, etc directly.
        * genextract.c, genopinit.c, genoutput.c: Likewise.
        * genpeep.c, genrecog.c: Likewise
        * genoutput.c (process_template): Mark operands in the generated
        function as potentially unused if compiling with GNU CC.

From-SVN: r18941

From-SVN: r18940

From-SVN: r18939

From-SVN: r18938

From-SVN: r18937

        Delete lingering stdio and errno references too.
        * decl.c, errfn.c, parse.y, ptree.c search.c, xrefc.: Likewwise.

From-SVN: r18936

Add super interworking.

From-SVN: r18935

From-SVN: r18934

	* friend.c (is_friend): Fix access control for local classes.
	* class.c (is_empty_class): New fn.
	* call.c (build_call): Don't pass empty class objects to a function.

From-SVN: r18933

call.c (build_over_call): Do name resolution for default arguments of function templates in the scope of...

	* call.c (build_over_call): Do name resolution for default
	arguments of function templates in the scope of the templates.

From-SVN: r18932

	* config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
	(MD_STARTFILE_PREFIX): Unset.

From-SVN: r18931

	* cplus-dem.c (optable): Add sizeof.
	(demangle_template_value_parm): New function containing code
	previously found in demangle_template.
	(demangle_integral_value): New function which handles complicated
	integral expressions.
	(demangle_template): Use them.

From-SVN: r18930

	* varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
	entity in a local scope.
	* fold-const.c (fold): Call truthvalue_conversion for values which
	are folded to boolean type.

From-SVN: r18929

        * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
        * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
        * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
        * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
        * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
        * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
        * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
        * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
        * md.texi: Likewise.

From-SVN: r18927

8
	* fixincludes (limits.h): Fix nested comments in Motorola's
	limits.h and sys/limits.h.

From-SVN: r18923

@
	* fixincludes (limits.h): Fix nested comments in Motorola's
	limits.h and sys/limits.h.

From-SVN: r18922

	* alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
	as dest of expand_binop call.

From-SVN: r18921

	* alpha.md (extzv): Correct check for valid operand[2] values.

From-SVN: r18920