[Bug ld/21306] Different behavior when linking common symbol statically or to shared object

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21306

--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The binutils-2_28-branch branch has been updated by H.J. Lu
<address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5a0ac7ba3c5277b3ab04f55de23bccb7614a9e59

commit 5a0ac7ba3c5277b3ab04f55de23bccb7614a9e59
Author: H.J. Lu <address@hidden>
Date:   Fri Apr 7 07:40:14 2017 -0700

    ELF: Check ELF_COMMON_DEF_P for common symbols

    Since common symbols that are turned into definitions don't have the
    DEF_REGULAR flag set, we need to check ELF_COMMON_DEF_P for common
    symbols.

    bfd/

        PR ld/19579
        PR ld/21306
        * elf32-s390.c (elf_s390_finish_dynamic_symbol): Check
        ELF_COMMON_DEF_P for common symbols.
        * elf64-s390.c (elf_s390_finish_dynamic_symbol): Likewise.
        * elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.
        * elflink.c (_bfd_elf_merge_symbol): Revert commits
        202ac193bbbecc96a4978d1ac3d17148253f9b01 and
        07492f668d2173da7a2bda3707ff0985e0f460b6.

    ld/

        PR ld/19579
        PR ld/21306
        * testsuite/ld-elf/pr19579a.c (main): Updated.

    (cherry picked from commit 8170f7693bc0a9442c0aa280197925db92d48ca6)

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