[Bug libc/19463] linknamespace failures when compiled with -Os

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=19463

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ae65d4f3c3995279ca458c460ebf8bab1885fa03

commit ae65d4f3c3995279ca458c460ebf8bab1885fa03
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date:   Mon Mar 13 18:42:35 2017 +0000

     Remove the str(n)dup inlines from string/bits/string2.h.  Although
inlining
    calls with constant strings shows a small (~10%) performance gain, strdup
is
    typically used in error reporting code, so not performance critical.
    Remove the now unused __need_malloc_and_calloc related defines from
stdlib.h.

    Rename existing uses of str(n)dup to __str(n)dup so it no longer needs to
be
    redirected to a builtin.  Also building GLIBC with -Os now no longer shows
    localplt or linkname space failures (partial fix for BZ #15105 and BZ
#19463).

            [BZ #15105]
            [BZ #19463]
            * elf/dl-cache.c (_dl_load_cache_lookup): Use __strdup.
            * inet/rcmd.c (rcmd_af): Likewise.
            * inet/rexec.c   (rexec_af): Likewise.
            * intl/dcigettext.c (_LIBC): Likewise.
            * intl/finddomain.c (_nl_find_domain): Use strdup expansion.
            * locale/loadarchive.c (_nl_load_locale_from_archive): Use
__strdup.
            * locale/setlocale.c (setlocale): Likewise.
            * posix/spawn_faction_addopen.c
            (posix_spawn_file_actions_addopen): Likewise.
            * stdlib/putenv.c (putenv): Use __strndup.
            * sunrpc/svc_simple.c (__registerrpc): Use __strdup.
            * sysdeps/posix/getaddrinfo.c (gaih_inet): Use __strdup/__strndup.
            * include/stdlib.h (__need_malloc_and_calloc): Remove uses.
            (__Need_M_And_C) Remove define/undef.
            * stdlib/stdlib.h (__need_malloc_and_calloc): Remove uses.
            (__malloc_and_calloc_defined): Remove define.
            * string/bits/string2.h (__strdup): Remove define.
            (strdup): Likewise.
            (__strndup): Likewise.
            (strndup): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                     |   25 +++++++++++++++++
 elf/dl-cache.c                |    2 +-
 include/stdlib.h              |    8 +-----
 inet/rcmd.c                   |    2 +-
 inet/rexec.c                  |    2 +-
 intl/dcigettext.c             |    1 +
 intl/finddomain.c             |    6 ----
 locale/loadarchive.c          |    2 +-
 locale/setlocale.c            |    2 +-
 posix/spawn_faction_addopen.c |    2 +-
 stdlib/putenv.c               |    2 +-
 stdlib/stdlib.h               |   18 ++----------
 string/bits/string2.h         |   59 -----------------------------------------
 sunrpc/svc_simple.c           |    4 +-
 sysdeps/posix/getaddrinfo.c   |    4 +-
 15 files changed, 41 insertions(+), 98 deletions(-)

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