[Bug libc/16915] nl_langinfo doesn't work with static linking

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https://sourceware.org/bugzilla/show_bug.cgi?id=16915

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34fdb893e0cec55bdfc83ce56ab29b8f5eeaef9d

commit 34fdb893e0cec55bdfc83ce56ab29b8f5eeaef9d
Author: Carlos O'Donell <carlos@redhat.com>
Date:   Mon May 14 08:25:46 2018 -0400

    locale: XFAIL newlocale usage in static binary (Bug 23164)

    There is a glibc optimization which allows for locale categories
    to be removed during static compilation. There have been various
    bugs for this support over the years, with bug 16915 being the
    most recent. The solution there was to emit a reference to all the
    categories to avoid any being removed. This fix, although it's in
    the generic __nl_langinfo_l function, doesn't appear to be enough
    to fix the case for a statically linked program that uses newlocale
    and nl_langinfo_l. This commit doesn't fix the problem, but it does
    add a XFAIL'd test case such that a fix can be applied against this
    and the XFAIL removed. It's not entirely clear that the problem is
    the same as that which was seen in bug 16915.

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

Summary of changes:
 ChangeLog                                  |   29 +++++++++++++++
 localedata/Makefile                        |   35 +++++++++++++++---
 localedata/tst-langinfo-newlocale-static.c |    1 +
 localedata/tst-langinfo-newlocale.c        |   55 ++++++++++++++++++++++++++++
 localedata/tst-langinfo-setlocale-static.c |    1 +
 localedata/tst-langinfo-setlocale.c        |   54 +++++++++++++++++++++++++++
 localedata/tst-langinfo.c                  |   24 +-----------
 localedata/tst-langinfo.sh                 |    4 ++
 8 files changed, 176 insertions(+), 27 deletions(-)
 create mode 100644 localedata/tst-langinfo-newlocale-static.c
 create mode 100644 localedata/tst-langinfo-newlocale.c
 create mode 100644 localedata/tst-langinfo-setlocale-static.c
 create mode 100644 localedata/tst-langinfo-setlocale.c

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