* java/io/PipedWriter.java (flush): Throw exception if stream
	closed.
	* java/io/OutputStreamWriter.java (write): Throw exception if
	stream closed.
	(writeChars): Don't throw exception if stream closed.
	* java/io/CharArrayWriter.java (closed): New field.
	(close): Set it.
	(flush): Throw exception if stream closed.
	(reset): Synchronize on correct lock.  Allow stream to be
	reopened.
	(toCharArray, toString, writeTo): Synchronize.
	(write): Throwe exception if stream closed.
	* java/io/BufferedWriter.java (close): Clear `buffer'.
	(flush): Throw IOException if stream is closed.
	(write): Likewise.

From-SVN: r39927

	* stmt.c (expand_return): If an attempt is made to return the
	error_mar_node, treat the return like a return without a value.

From-SVN: r39924

	* java/lang/ThreadGroup.java (activeCount): Only include threads
	which are alive.
	(enumerate): Likewise.

From-SVN: r39922

From-SVN: r39921

From-SVN: r39920

sibcall.c (skip_copy_to_return_value): Call identify_call_return_value here, and return orig_insn if it returns zero.

	* sibcall.c (skip_copy_to_return_value): Call
	identify_call_return_value here, and return orig_insn if it
	returns zero.  Hardret and softret arguments now unnecessary.
	(call_ends_block_p): Don't call identify_call_return_value here.

	* ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
	's' slots in RTXen.
	* ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete	function.
	* ggc.h (ggc_mark_if_gcable): Delete prototype.

testsuite:
	* g77.dg: New directory.
	* g77.dg/20010216-1.f: New test case.
	* g77.dg/dg.exp: New driver.
	* lib/g77-dg.exp: New driver library.

From-SVN: r39916

2001-02-19  Benjamin Kosnik  <bkoz@redhat.com>

        * Makefile.in (check-c++): New rule.

From-SVN: r39915

pa.c (move_operand): Accept code to load the address of a symbol out of the DLT as a valid move operand.

        * pa.c (move_operand): Accept code to load the address of a
        symbol out of the DLT as a valid move operand.
        (print_operand, case 'A'): New to handle generating a DLT
        reference for a LO_SUM expression.
        * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
        * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.

From-SVN: r39914

2001-02-19  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>

	* configure.in (target_libs): Remove libg++.
	(noconfigdirs): Remove libg++.
	(noconfigdirs): Same.
	(noconfigdirs): Same.
	(noconfigdirs): Same.

	* config-ml.in: Remove libg++ references.

	* Makefile.in (TARGET_CONFIGDIRS): Remove libio, libstdc++, libg++.
	(ALL_TARGET_MODULES): Same.
	(configure-target-libg++): Remove.
	(all-target-libg++): Remove.
	(configure-target-libio): Remove.
	(all-target-libio): Remove.
	(check-target-libio): Remove.
	(.PHONY): Remove.
	(libg++.tar.bz2): Remove.
	(all-target-cygmon): Remove libio.
	(all-target-libstdc++): Remove.
	(configure-target-libstdc++): Remove.
	(TARGET_LIB_PATH): Remove libstdc++.
	(ALL_GCC_CXX): Remove libstdc++.

From-SVN: r39911

From-SVN: r39910

	* parse.y (parser_check_super_interface): Don't call
	check_pkg_class_access for an inner interface.
	(parser_check_super): Don't call check_pkg_class_access for inner
	class.
	(do_resolve_class): Simplify enclosing type loop. Don't call
	check_pkg_class_access if CL and DECL are not set.
	(find_in_imports_on_demand): Set DECL if class_type needed to be
	loaded. Don't call check_pkg_class_access for an inner class.
	(check_inner_class_access): Rewritten to implement member access
	rules as per spec 6.6.1.
	(check_pkg_class_access): Handle the empty package correctly.
	(in_same_package): New function. Determine if two classes are in the
	same package.

From-SVN: r39909

	* decl2.c (set_decl_namespace): Allow explicit instantiations in
	any namespace.

From-SVN: r39907

	* typeck.c (build_java_array_type): Don't try to poke a public `clone'
	method into array types.
	* parse.y (patch_method_invocation): Bypass access check on clone call
	to array instance.

From-SVN: r39906

libf2c:
	* libF77/Version.c, libI77/Version.c, libU77/Version.c: Update G77
	version number to 0.5.27.

gcc:
	* README, cpp.texi, gcc.texi, version.c: Update version number to
	3.1.
	* cpp.1, gcov.1, gcc.1: Regenerate.

gcc/f:
	* version.c, root.texi: Update GCC version number to 3.1.  Update
	G77 version number to 0.5.27.
	* BUGS, NEWS: Regenerate.

From-SVN: r39901

        * cppfiles.c (stack_include_file): Generate dependencies
        here, and manage include_count here too.
        (PRINT_THIS_DEP): Delete.
        (_cpp_execute_include): Do not generate dependencies here,
        apart from the case of a missing header.  Do not manage
        include_count.
        (_cpp_read_file): Leave dependency generation to
        stack_include_file.

From-SVN: r39899

From-SVN: r39896

        * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
        target_cpu_default.  Remove dead assignment to
        target_cpu_default.

From-SVN: r39895

	* regclass.c (contains_reg_of_mode): Make global.
	(init_reg_sets): Remove contains_reg_of_mode; take into account
	CLASS_MAX_NREGS when looking for the proper mode.
	(dump_regclass): Dump only classes considered for the pseudo.
	(regclass): Use contains_reg_of_mode.

From-SVN: r39891

	* gcc.c (do_spec_1): 'n' for printing notices.
	* i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.

From-SVN: r39889

2001-02-19  Andreas Jaeger  <aj@suse.de>

	* config/cpu/sparc/sparc64/bits/atomicity.h (__compare_and_swap):
	Fix typo.

From-SVN: r39886

	* reg-stack.c (next_flags_user): Use current_block->end
	(swap_rtx_condition): Look for next user if flags don't die;
	give up on CALL_INSNs; use current_block->end.

From-SVN: r39884

From-SVN: r39883

	* sibcall.c (call_ends_block_p): New function.
	(optimize_sibling_and_tail_recursive_call): Use it.

From-SVN: r39879

From-SVN: r39877

CharArrayReader.java (CharArrayReader): Throw IllegalArgumentException if constructor arguments are illegal.

	* java/io/CharArrayReader.java (CharArrayReader): Throw
	IllegalArgumentException if constructor arguments are illegal.
	(ready): Return false if no more characters can be read.
	* java/io/ByteArrayInputStream.java (ByteArrayInputStream): Likewise.

From-SVN: r39876

	* optimize.c (expand_call_inline): Don't walk subtrees of type
	nodes.

	* g++.old-deja/g++.other/inline19.c: Remove XFAIL.

From-SVN: r39873

	* java/lang/Integer.java (getInteger): Return default argument if
	property is not set. Don't call decode with null argument.
	* java/lang/Long.java (getLong): Likewise.

From-SVN: r39870

From-SVN: r39869

2001-02-18  Kazu Hirata  <kazu@hxi.com>

	* config/h8300/h8300.md: Update copyright.

From-SVN: r39868

2001-02-18  Kazu Hirata  <kazu@hxi.com>

	* config/h8300/h8300.md: Do not output an extra newline character.

From-SVN: r39866

2001-02-18  Kazu Hirata  <kazu@hxi.com>

	* config/h8300/h8300.md: Do not output an extra newline character.

From-SVN: r39865

From-SVN: r39862

	* toplev.c (note_deferral_of_defined_inlined_function): Argument
	FNDECL may be unused.

	* toplev.c (rest_of_compilation): Don't have CSE skip blocks or
	follow jumps after first run.
	If -fexpensive-optimizations rerun CSE after GCSE and iterate until
	it doesn't change any jumps.

From-SVN: r39861

       * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
        ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
        (mostlyclean): Corresponding changes.
        * rtlanal.c (hard-reg-set.h): Include.
        (rtx_unstable_p): Do not treat the argument pointer specially
        if it is not a fixed register.
        (rtx_varies_p, rtx_addr_can_trap_p): Similarly.

From-SVN: r39860

sibcall.c (optimize_sibling_and_tail_recursive_call): Compare against last real insn in basic block.

	* sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
	against last real insn in basic block.
	Rework to avoid gotos.

From-SVN: r39858

	* Makefile.in (gcse.o): Now includes ggc.h.
	* gcse.c: Include ggc.h.
	(want_to_gcse_p): Verify expression can be in SET as valid insn.
	(try_replace_reg): Remove warning of uninitialize variable.
	(process_insert_insn): Call invalid_insn_p to validate insn.
	* recog.c (insn_invalid_p): Now global.
	See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
	* recog.h (insn_invalid_p): New declaration.

From-SVN: r39857

From-SVN: r39856

sparc.c (eligible_for_epilogue_delay): Don't put assignments from FP constants sonce 'Y' output code can't handle it.

	* config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
	assignments from FP constants sonce 'Y' output code can't handle it.
	(eligible_for_sibcall_delay): Likewise.

From-SVN: r39854

	* flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
	Call fancy_abort directly, passing args.
	(print_rtl_and_abort): Now a macro, like fancy_abort.

From-SVN: r39852

From-SVN: r39850