[Bug ld/20267] ld.bfd crash when link with LLVMgold.so plugin

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20267

--- Comment #5 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=7dc3990e4002e0062007c1d41b56e04b5b8ec1ec

commit 7dc3990e4002e0062007c1d41b56e04b5b8ec1ec
Author: H.J. Lu <address@hidden>
Date:   Mon Jun 20 05:10:29 2016 -0700

    Use the IR symbol table for the IR input object

    ELF linker shouldn't skip the IR object when searching the symbol table
    of an archive element.  If linker doesn't know if the object file is an
    IR object, it should give LTO plugin a chance to get the correct symbol
    table and use the IR symbol table if the input is an IR object.

    bfd/

        PR ld/18250
        PR ld/20267
        * elflink.c: Include plugin.h if BFD_SUPPORTS_PLUGINS is
        defined.
        (elf_link_is_defined_archive_symbol): Call
        bfd_link_plugin_object_p on unknown plugin object and use the
        IR symbol table if the input is an IR object.
        * plugin.c (bfd_link_plugin_object_p): New function.
        * plugin.h (bfd_link_plugin_object_p): New prototype.

    ld/

        PR ld/20267
        * testsuite/ld-plugin/lto.exp (lto_link_tests): Add test for
        PR ld/20267.
        (lto_run_tests): Likewise.
        * testsuite/ld-plugin/pr20267a.c: New file.
        * testsuite/ld-plugin/pr20267b.c: Likewise.

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