[Bug ld/25458] --gc-sections removes _environ symbol since version 2.21

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=25458

--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The binutils-2_34-branch branch has been updated by Alan Modra
<address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7b647b69680015f240b20e6f38d824d71d4bd30d

commit 7b647b69680015f240b20e6f38d824d71d4bd30d
Author: Alan Modra <address@hidden>
Date:   Mon Jan 27 10:27:42 2020 +1030

    Mark all weak aliases for copy relocations

    bfd/
        PR ld/25458
        * elflink.c (_bfd_elf_gc_mark_rsec): Mark all weak aliases.
    ld/
        PR ld/25458
        * testsuite/ld-elf/pr25458.map: New file.
        * testsuite/ld-elf/pr25458.rd: Likewise.
        * testsuite/ld-elf/pr25458a.s: Likewise.
        * testsuite/ld-elf/pr25458b.s: Likewise.
        * testsuite/ld-elf/shared.exp: Run PR ld/25458 test.

    (cherry picked from commit 3024a17ae029ec7f55b498e99ddd6238e22fe565)

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