[Bug libc/21275] posix_spawn always crashes on ia64 now

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21275

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27ab0d9518746dfb59ed2ba59daefc981dc10e38

commit 27ab0d9518746dfb59ed2ba59daefc981dc10e38
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Mon Mar 20 04:47:56 2017 -0400

    posix_spawn: fix stack setup on ia64 [BZ #21275]

    The ia64-specific clone2 call expects the base of the stack mapping and
    the stack size as sep arguments, not an initial stack value as on other
    stack-grows-down architectures.  Reuse the stack-grows-up macro so we
    pass in the right stack base.

    Reported-by: Matt Turner <mattst88@gentoo.org>
    (cherry picked from commit ddc3fb333469c2997798742dc0509dc1e3201d91)

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

Summary of changes:
 ChangeLog                        |    8 ++++++++
 sysdeps/unix/sysv/linux/spawni.c |   11 ++++++-----
 2 files changed, 14 insertions(+), 5 deletions(-)

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