[Bug ld/21964] __start_SCN symbols aren't exported anymore

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21964

--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by H.J. Lu <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=823143c6ca8ef4267e67ba03771991e08d09fabd

commit 823143c6ca8ef4267e67ba03771991e08d09fabd
Author: H.J. Lu <address@hidden>
Date:   Wed Jan 31 05:10:40 2018 -0800

    Check if __start/__stop symbols are referenced by shared objects

    Define  __start/__stop symbols if they are referenced by shared objects,
    not if they are also defined in shared objects.

    bfd/

        PR ld/21964
        * elflink.c (bfd_elf_define_start_stop): Check if __start and
        __stop symbols are referenced by shared objects.

    ld/

        PR ld/21964
        * testsuite/ld-elf/pr21964-4.c: New file.
        * testsuite/ld-elf/shared.exp: Run pr21964-4 test on Linux.

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