[Bug ld/20306] ld fails when linking with shared object, "--gc-sections" and "-u".

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20306

--- Comment #2 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=f4ab0e2d1d4e14cfdddf46ac846c48ae55f4e14a

commit f4ab0e2d1d4e14cfdddf46ac846c48ae55f4e14a
Author: H.J. Lu <address@hidden>
Date:   Tue Jun 28 08:08:04 2016 -0700

    Skip version check for unreferenced and undefined symbol

    No need to check version if symbol is unreferenced and undefined.

    bfd/

        PR ld/20306
        * elflink.c (elf_link_check_versioned_symbol): Return false
        for unreferenced undefined symbol.

    ld/testsuite/

        * testsuite/ld-gc/gc.exp: Run pr20306 test.
        * ld-gc/pr20306.c: New file.
        * ld-gc/pr20306.d: Likewise.

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