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50358 Commits

Author SHA1 Message Date
Andreas Jaeger 81c0e50a30 g77spec.c (lang_specific_driver): Remove ALT_LIBM usage. 
* g77spec.c (lang_specific_driver): Remove ALT_LIBM usage.

	* g++spec.c (lang_specific_driver): Remove ALT_LIBM usage.

From-SVN: r67419
 2003-06-04 06:48:16 +02:00
Roger Sayle df8ca70ebb optabs.c (expand_binop): Optimize complex multiplication for the case of squaring a complex argument. 
* optabs.c (expand_binop): Optimize complex multiplication for
	the case of squaring a complex argument.

From-SVN: r67418
 2003-06-04 04:42:14 +00:00
Roger Sayle 894207cf0a optabs.c (expand_binop): Attempt to reuse pseudos for duplicate non-volatile operands of binary operations. 
* optabs.c (expand_binop): Attempt to reuse pseudos for duplicate
	non-volatile operands of binary operations.
	(prepare_cmp_insn): Likewise.

From-SVN: r67417
 2003-06-04 04:40:26 +00:00
Roger Sayle 1063147cc0 varasm.c (force_const_mem): Handle alignment of constants not representable as a type in the front-end language. 
* varasm.c (force_const_mem): Handle alignment of constants not
	representable as a type in the front-end language.

From-SVN: r67416
 2003-06-04 04:36:53 +00:00
Aldy Hernandez 120c6dca56 forgot to commit. 
From-SVN: r67415
 2003-06-04 01:12:00 +00:00
Jason Merrill dbe85b8010 cp-tree.h (CP_AGGREGATE_TYPE_P): Accept vectors. 
2003-06-03  Jason Merrill  <jason@redhat.com>

	* cp/cp-tree.h (CP_AGGREGATE_TYPE_P): Accept vectors.

	* cp/decl.c (reshape_init): Handle vectors.

	* testsuite/g++.dg/init/array10.C: New.

From-SVN: r67414
 2003-06-04 01:06:09 +00:00
GCC Administrator 280c3e883e Daily bump. 
From-SVN: r67412
 2003-06-04 00:16:08 +00:00
Kazu Hirata a7a7d7ace8 flow.c (initialize_uninitialized_subregs): Use emit_move_insn instead of emitting a hardcoded move. 
* flow.c (initialize_uninitialized_subregs): Use
	emit_move_insn instead of emitting a hardcoded move.

From-SVN: r67409
 2003-06-03 23:17:27 +00:00
Glen Nakamura 61274a14e5 * gcc.dg/20020525-1.c: Replace 0x5a5a5a5a with -1. 
From-SVN: r67407
 2003-06-03 23:08:22 +00:00
Olivier Hainque dee2df7288 re PR ada/9953 (Unsatisfied symbols: U_prep_frame_rec_for_unwind (code)) 
PR ada/9953:
        * 5hsystem.ads: Remove pragma Linker_Option for pthreads library,
        and turn ZCX_By_Default back to False since the underlying support
        is not quite there yet.

From-SVN: r67406
 2003-06-03 22:30:11 +00:00
Olivier Hainque 0df807b276 re PR ada/9953 (Unsatisfied symbols: U_prep_frame_rec_for_unwind (code)) 
2003-06-04  Olivier Hainque  <hainque@act-europe.fr>

	PR ada/9953:
	* 5hsystem.ads: Remove pragma Linker_Option for pthreads library,
	and turn ZCX_By_Default back to False, since the underlying support
	is not quite there yet.

From-SVN: r67405
 2003-06-03 22:25:02 +00:00
Richard Henderson 2ef0a55511 optabs.c (expand_abs_nojump): Split out from ... 
* optabs.c (expand_abs_nojump): Split out from ...
        (expand_abs): ... here.
        * optabs.h (expand_abs_nojump): Declare.
        * ifcvt.c: (noce_try_abs): Use expand_abs_nojump.
        * Makefile.in (ifcvt.o): Depend on optabs.h.

From-SVN: r67404
 2003-06-03 14:29:48 -07:00
Alan Modra b0c242c029 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Heed flag_merge_constants. 
From-SVN: r67403
 2003-06-04 06:15:01 +09:30
Nathanael Nerode 1358ccea48 Makefile.tpl: Make 'recursive targets' using autogen rather than shell loop. 
* Makefile.tpl: Make 'recursive targets' using autogen rather
	than shell loop.  Remove duplicate 'clean' targets and false
	comments.
	* Makefile.def: Add systematic dependencies to 'recursive' targets.
	Add systematic method of specifying missing targets in subdirs.
	Add copyright boilerplate.
	* Makefile.in: Regenerate.
	* configure.in: Add 'recursive targets' to maybe list.
	* configure: Regenerate.

From-SVN: r67402
 2003-06-03 20:42:13 +00:00
Jason Thorpe 2121a768f7 config.gcc (default_use_cxa_atexit): New variable, defaults to no. 
* config.gcc (default_use_cxa_atexit): New variable, defaults to no.
(*-*-netbsd[2-9]* | *-*-netbsdelf[2-9]*): Set default_use_cxa_atexit
to yes.
* configure.in: Allow default_use_cxa_atexit to determine the
value of DEFAULT_USE_CXA_ATEXIT if not explicitly enabled or
disabled.
* configure: Regenerate.

From-SVN: r67401
 2003-06-03 20:39:52 +00:00
Douglas Rupp ccb36e104b Makefile.in (TEXI_GCC_FILES): Remove vms.texi entry. 
* Makefile.in (TEXI_GCC_FILES): Remove vms.texi entry.
	* doc/gcc.texi: Remove vms.texi section.
	* doc/vms.texi: Remove obsolete file.

From-SVN: r67400
 2003-06-03 20:28:14 +00:00
Douglas B Rupp 6f6a3861aa *** empty log message *** 
From-SVN: r67399
 2003-06-03 20:22:20 +00:00
J"orn Rennecke aa6b9f6dcd * g++.dg/abi/empty6.C (B): Request alignment of 8 bytes. 
From-SVN: r67398
 2003-06-03 20:10:09 +01:00
Joern Rennecke 2365664203 builtin-noret-1.c (_exit, _Exit): Make weak. 
* gcc.dg/torture/builtin-noret-1.c (_exit, _Exit): Make weak.
	* gcc.dg/torture/builtin-noret-2.c (_exit, _Exit): Likewise.

From-SVN: r67397
 2003-06-03 20:04:23 +01:00
J"orn Rennecke dc06db2019 configure.in (inhibit_libc): Don't define when configuring with --with-newlib --with-headers. 
* configure.in (inhibit_libc): Don't define when configuring
	with --with-newlib --with-headers.
	* configure: Regenerate.

	* t-sh: Remove LIB2FUNCS_EXTRA and embed-bb.c rules.

From-SVN: r67396
 2003-06-03 20:01:22 +01:00
Nick Clifton 8d398258b5 asprintf.c: Change comment to note that -1 is returned upon error. 
vasprintf.c: Likewise. (vasprintf): Return -1 upon error.
functions.texi: Document changes to asprintf and vasprintf.

From-SVN: r67395
 2003-06-03 18:19:17 +00:00
Benjamin Kosnik f24ce7c1c3 fstream.tcc (pbackfail): Make a rarely taken 'if' branch less obscure. 
2003-06-03  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/fstream.tcc (pbackfail): Make a rarely taken
	'if' branch less obscure.

From-SVN: r67394
 2003-06-03 18:06:09 +00:00
Rainer Orth 6d07784ac2 configure.in (gcc_cv_as_hidden): Disable .hidden completely on IRIX 6 without GNU ld. 
* configure.in (gcc_cv_as_hidden): Disable .hidden completely on
	IRIX 6 without GNU ld.
	* configure: Regenerate.

From-SVN: r67390
 2003-06-03 17:18:00 +00:00
Roger Sayle a79b3dc7c8 expr.c (emit_move_insn_1): Use emit_move_insn to move the parts of a complex number rather than invoke... 
* expr.c (emit_move_insn_1): Use emit_move_insn to move the parts
	of a complex number rather than invoke mov_optab directly.

From-SVN: r67389
 2003-06-03 17:13:06 +00:00
Kazu Hirata 8d6b2775ec combine.c (simplify_set): Don't move a subreg in SET_SRC to SET_DEST if... 
* combine.c (simplify_set): Don't move a subreg in SET_SRC to
	SET_DEST if WORD_REGISTER_OPERATIONS is not defined.

From-SVN: r67388
 2003-06-03 17:10:48 +00:00
Joern Rennecke bf46042bdb builtin-noret-1.c (_exit, _Exit): Make weak. 
* gcc.dg/torture/builtin-noret-1.c (_exit, _Exit): Make weak.
	* gcc.dg/torture/builtin-noret-2.c (_exit, _Exit): Likewise.

From-SVN: r67387
 2003-06-03 18:00:23 +01:00
Nathanael Nerode ae74ed1fc5 * MAINTAINERS: "GNATS only" -> "Bug database only". 
From-SVN: r67382
 2003-06-03 16:48:03 +00:00
Nathanael Nerode 48ff03c711 x86-64.h: Remove two target-independent comments; replace "GNU CC" with "GCC". 
* config/i386/x86-64.h: Remove two target-independent comments;
	 replace "GNU CC" with "GCC".

From-SVN: r67381
 2003-06-03 16:40:42 +00:00
Nathanael Nerode 1a1e6b96a2 Makefile.tpl: Rename [+target+] to [+make_target+]. 
* Makefile.tpl: Rename [+target+] to [+make_target+].
	* Makefile.def: Rename 'target' to 'make_target'.

From-SVN: r67380
 2003-06-03 16:35:42 +00:00
Andrew Haley 9f47031337 x86_64-signal.h (MAKE_THROW_FRAME): Mark sigcontext on stack volatile to prevent optimization from removing it. 
2003-06-03  Andrew Haley  <aph@redhat.com>

        * include/x86_64-signal.h (MAKE_THROW_FRAME): Mark sigcontext on
        stack volatile to prevent optimization from removing it.

From-SVN: r67379
 2003-06-03 16:13:22 +00:00
Anthony Green b09d2739b0 Commit patch that was approved last october. Oops. 
From-SVN: r67375
 2003-06-03 15:19:16 +00:00
Aldy Hernandez 284ca13ea9 simd-5.x: Remove xfail for PPC64. 
2003-06-03  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.c-torture/compile/simd-5.x: Remove xfail for PPC64.

From-SVN: r67374
 2003-06-03 13:46:28 +00:00
Kriang Lerdsuwanakij 6c07f44866 re PR c++/10940 (Bad code with explicit specialization) 
PR c++/10940
	* pt.c (check_explicit_specialization): Check for 'static'
	earlier.

	* g++.dg/template/spec10.C: New test.

From-SVN: r67373
 2003-06-03 13:01:44 +00:00
Roger Sayle 075ec276a0 builtins.def (BUILT_IN_CABS, [...]): New builtins representing ISO C99's cabs, cabsf and cabsl. 
* builtins.def (BUILT_IN_CABS, BUILT_IN_CABSF, BUILT_IN_CABSL):
	New builtins representing ISO C99's cabs, cabsf and cabsl.
	* builtins.c (expand_builtin_fabs): New function.
	(expand_builtin_cabs): New function.
	(expand_builtin): Expand BUILT_IN_FABS{,F,L} and BUILT_IN_CABS{,F,L}
	using expand_builtin_fabs and expand_builtin_cabs respectively.

	* doc/extend.texi: Document new cabs, cabsf and cabsl builtins.

	* gcc.dg/builtins-16.c: New test case.

From-SVN: r67368
 2003-06-03 11:27:23 +00:00
Aldy Hernandez ded9bf77e3 function.c (assign_parms): Split complex arguments. 
2003-06-03  Aldy Hernandez  <aldyh@redhat.com>

        * function.c (assign_parms): Split complex arguments.

        * doc/tm.texi (SPLIT_COMPLEX_ARGS): Document.

        * expr.h (SPLIT_COMPLEX_ARGS): Define.
        (split_complex_types): Protoize.
        (split_complex_values): Protoize.

        * calls.c (expand_call): Split complex arguments on architectures
        that require it.
        (split_complex_values): New.
        (split_complex_types): New.

        * config/rs6000/rs6000.c (rs6000_libcall_value): New.
        (rs6000_function_value): Handle complex values on AIX.
        (rs6000_complex_function_value): New.

        * config/rs6000/rs6000-protos.h (rs6000_libcall_value): Protoize.

        * config/rs6000/rs6000.h (LIBCALL_VALUE): Call function.
        (SPLIT_COMPLEX_ARGS): New.

From-SVN: r67367
 2003-06-03 11:14:07 +00:00
Jakub Jelinek 24a4dd31f8 configure.in (HAVE_LD_PIE): Check for ld -pie. 
* configure.in (HAVE_LD_PIE): Check for ld -pie.
	* config.in: Rebuilt.
	* configure: Rebuilt.
	* toplev.c (flag_pie, flag_shlib): New variables.
	(f_options): Add -fpie and -fPIE.
	(parse_options_and_default_flags): Set flag_pic if -fpie/-fPIE.
	Set flag_shlib if flag_pic and not -fpie/-fPIE.
	* flags.h (flag_pic, flag_shlib): Add.
	* varasm.c (default_binds_local_p): Use flag_shlib instead of
	flag_pic.
	* gcc.c (LINK_PIE_SPEC): Define.
	(LINK_COMMAND_SPEC): Use LINK_PIE_SPEC.
	(option_map): Add --pie -> -pie mapping.
	* config/sol2.h (ASM_SPEC): Handle -fpie the same way as -fpic
	and -fPIE the same way as -fPIC.
	* config/openbsd.h (ASM_SPEC): Likewise.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Likewise.
	* config/arm/semi.h (ASM_SPEC): Likewise.
	* config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
	* config/freebsd-spec.h (FBSD_CPP_SPEC): Likewise.
	* config/i386/beos-elf.h (CC1_SPEC): Likewise.
	* config/i386/freebsd-aout.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (CPP_SPEC): Likewise.
	* config/m68k/netbsd.h (ASM_SPEC): Likewise.
	* config/m68k/openbsd.h (ASM_SPEC): Likewise.
	* config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
	* config/mips/linux.h (SUBTARGET_CPP_SPEC): Likewise.
	* config/mips/openbsd.h (SUBTARGET_ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (CPP_SPEC): Likewise.
	* config/netbsd-aout.h (ASM_SPEC): Likewise.
	* config/rs6000/sysv4.h (ASM_SPEC, CPP_SYSV_SPEC): Likewise.
	* config/rs6000/vxworks.h (CPP_SPEC): Likewise.
	* config/sparc/linux.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
	* config/sparc/linux64.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
	* config/sparc/sparc.h (ASM_SPEC): Likewise.
	* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
	* config/sparc/sysv4.h (ASM_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
	* config/sparc/openbsd64.h (ASM_SPEC): Likewise.
	* config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
	* config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Handle -pie.
	Simplify.
	* config/alpha/elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/i386/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/ia64/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/rs6000/sysv4.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/rs6000/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/sparc/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* config/sparc/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
	* doc/invoke.texi: Document -pie, -fpie and -fPIE options.

From-SVN: r67359
 2003-06-03 11:06:55 +02:00
Jakub Jelinek 8fd3cf4e17 builtins.c (expand_builtin_memcpy): Remove endp argument and endp != 0 handling. 
* builtins.c (expand_builtin_memcpy): Remove endp argument and endp
	!= 0 handling.  Pass 0 to store_by_pieces.
	(expand_builtin_mempcpy): Add endp argument.  Don't call
	expand_builtin_memcpy, call store_by_pieces resp. move_by_pieces
	directly.  If ignoring result, only do expand_call.
	(expand_builtin_stpcpy): Likewise.  Call expand_builtin_mempcpy
	otherwise.
	(expand_builtin_strncpy, expand_builtin_memset): Adjust
	store_by_pices callers.
	(expand_builtin): Adjust expand_builtin_memcpy and
	expand_builtin_mempcpy callers.
	* expr.c (can_move_by_pieces): New function.
	(move_by_pieces): Add endp argument, return to resp. memory at end
	or one byte earlier depending on endp.
	(store_by_pieces): Likewise.
	(emit_block_move): Adjust call to move_by_pieces.
	(emit_push_insn): Adjust move_by_pieces caller.
	* expr.h (can_move_by_pieces): New prototype.
	(store_by_pieces): Adjust prototypes.
	* rtl.h (move_by_pieces): Adjust prototype.
	* config/mips/mips.c (expand_block_move): Adjust move_by_pieces
	caller.

	* gcc.c-torture/execute/builtins/string-4.c (main_test): Remove
	mempcpy test with post-increments.
	* gcc.c-torture/execute/string-opt-3.c: New test.
	* gcc.dg/string-opt-1.c: New test.

From-SVN: r67358
 2003-06-03 10:57:55 +02:00
Ben Elliston cc6a602b27 * doc/md.texi (Processor pipeline description): Improve wording. 
From-SVN: r67355
 2003-06-03 16:56:42 +10:00
Neil Booth f75d3e11d3 c-opts.c (c_common_handle_option): New, pulled out of c_common_decode_option. 
* c-opts.c (c_common_handle_option): New, pulled out of
	c_common_decode_option.  Substitute uses of argv.
	(c_common_decode_option): Broken into two.

From-SVN: r67354
 2003-06-03 05:42:25 +00:00
GCC Administrator 9c68a546c5 Daily bump. 
From-SVN: r67351
 2003-06-03 00:16:07 +00:00
David Billinghurst b5706132c3 re PR fortran/10965 (g77 compiles illegal code in testsuite) 
2003-06-03  David Billinghurst (David.Billinghurst@riotinto.com)

	PR fortran/10965
	* g77.f-torture/compile/20000601-2.f: Fix non-standard code.

From-SVN: r67349
 2003-06-03 00:10:35 +00:00
Mark Mitchell 5a9f05f2ea scanasm.exp (dg-scan): New function, factored out of ... 
* lib/scanasm.exp (dg-scan): New function, factored out of ...
	(scan-assembler): ... here.  Use dg-scan.
	(scan-assembler-not): Likewise.
	(scan-file): New function.
	(scan-file-not): Likewise.
	* gcc.dg/cpp/19990228-1.c: Use scan-file and/or scan-file-not.
	* gcc.dg/cpp/_Pragma4.c: Likewise.
	* gcc.dg/cpp/_Pragma5.c: Likewise.
	* gcc.dg/cpp/avoidpaste1.c: Likewise.
	* gcc.dg/cpp/avoidpaste2.c: Likewise.
	* gcc.dg/cpp/cmdlne-C2.c: Likewise.
	* gcc.dg/cpp/cmdlne-P.c: Likewise.
	* gcc.dg/cpp/cmdlne-dD-M.c: Likewise.
	* gcc.dg/cpp/cmdlne-dD-dM.c: Likewise.
	* gcc.dg/cpp/cmdlne-dI-M.c: Likewise.
	* gcc.dg/cpp/cmdlne-dM-M.c: Likewise.
	* gcc.dg/cpp/cmdlne-dM-dD.c: Likewise.
	* gcc.dg/cpp/cmdlne-dN-M.c: Likewise.
	* gcc.dg/cpp/cxxcom1.c: Likewise.
	* gcc.dg/cpp/line1.c: Likewise.
	* gcc.dg/cpp/maccom1.c: Likewise.
	* gcc.dg/cpp/maccom2.c: Likewise.
	* gcc.dg/cpp/maccom3.c: Likewise.
	* gcc.dg/cpp/maccom4.c: Likewise.
	* gcc.dg/cpp/maccom5.c: Likewise.
	* gcc.dg/cpp/maccom6.c: Likewise.
	* gcc.dg/cpp/multiline.c: Likewise.
	* gcc.dg/cpp/spacing1.c: Likewise.
	* gcc.dg/cpp/spacing2.c: Likewise.
	* gcc.dg/cpp/trad/cmdlne-C2.c: Likewise.
	* gcc.dg/cpp/trad/maccom1.c: Likewise.
	* gcc.dg/cpp/trad/maccom2.c: Likewise.
	* gcc.dg/cpp/trad/maccom3.c: Likewise.
	* gcc.dg/cpp/trad/maccom4.c: Likewise.
	* gcc.dg/cpp/trad/maccom6.c: Likewise.
	* gcc.dg/cpp/cxxcom2.c: Likewise.
	* gcc.dg/cpp/cxxcom2.h: New file.

From-SVN: r67347
 2003-06-02 19:21:15 +00:00
Richard Sandiford 245115a4b4 Revert accidental change to mips_output_move. 
From-SVN: r67346
 2003-06-02 19:13:41 +00:00
Andrew Pinski 159ca3a3a4 re PR libstdc++/9815 (atomicity.h - fails to compile with -O3 -masm=intel) 
2003-06-02  Andrew Pinski  <pinskia@physics.uc.edu>

	PR libstdc++/9815
	* config/cpu/i386/atomicity.h (__exchange_and_add): add intel
	asm case to asm.
	* config/cpu/i486/atomicity.h (__exchange_and_add): Likewise.
	(__atomic_add): likewise.

From-SVN: r67343
 2003-06-02 18:38:32 +00:00
Paolo Carlini 62929dd980 sstream.tcc (pbackfail): Minor clean up and reformatting, consistent with basic_filebuf::pbackfail. 
2003-06-02  Paolo Carlini  <pcarlini@unitus.it>

	* include/bits/sstream.tcc (pbackfail): Minor clean up and
	reformatting, consistent with basic_filebuf::pbackfail.

From-SVN: r67342
 2003-06-02 18:24:30 +00:00
Richard Kreckel cc9c608f08 re PR libstdc++/11062 (Please avoid __attribute__ ((unused))) 
2003-06-02  Richard Kreckel  <Richard.Kreckel@GiNaC.DE>

	PR libstdc++/11062
	* config/cpu/mips/atomicity.h:  Change __attribute__ ((unused)) to
	__attribute__ ((__unused__)).
	* config/os/aix/atomicity.h:  Likewise.

From-SVN: r67340
 2003-06-02 18:03:23 +00:00
Paolo Carlini b166bded9e re PR libstdc++/9761 (filebuf::pbackfail discards previously put back characters) 
2003-06-02  Paolo Carlini  <pcarlini@unitus.it>

	PR libstdc++/9761
	* include/bits/fstream.tcc (pbackfail): If the pback buffer
	is already active don't try to store in it a second char.
	* testsuite/27_io/basic_filebuf/pbackfail/char/9761.cc: New.

	* include/bits/fstream.tcc (pbackfail): Add unbuffered bits.

From-SVN: r67337
 2003-06-02 16:46:28 +00:00
Paolo Carlini f275a768ab 3.cc: Tweak line spacing. 
2003-06-02  Paolo Carlini  <pcarlini@unitus.it>

	* testsuite/27_io/basic_stringbuf/seekpos/char/3.cc: Tweak
	line spacing.

From-SVN: r67336
 2003-06-02 15:53:14 +00:00
Nick Clifton 4d49ef0cc3 remove addition to ARM configure accidentally added with m32r commit 
From-SVN: r67335
 2003-06-02 15:40:43 +00:00
Paolo Carlini ccb50b8111 std_fstream.h (_M_destroy_pback): Use _M_in_beg instead of unnecessarily taking the address of _M_pback. 
2003-06-02  Paolo Carlini  <pcarlini@unitus.it>

	* include/std/std_fstream.h (_M_destroy_pback): Use _M_in_beg
	instead of unnecessarily taking the address of _M_pback.
	(xsgetn): Simplify slightly for a single char pback buffer.

2003-06-02  Paolo Carlini  <pcarlini@unitus.it>

	* include/bits/sstream.tcc (seekoff): Remove four unnecessary
	variables and two 'if', clean up.

2003-06-02  Paolo Carlini  <pcarlini@unitus.it>

	* include/bits/sstream.tcc (seekpos): Test against _M_out_lim
	not _M_out_end, since the former actually points to the string
	end (vs buffer end).
	* testsuite/27_io/basic_stringbuf/seekpos/char/3.cc: New.

From-SVN: r67334
 2003-06-02 15:36:24 +00:00