[Bug ld/22269] Undefined weak symbols isn't resolved to 0 in static PIE

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=22269

--- Comment #16 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=a3cd202aae50abe5a571fb8c186b6b6af68edce2

commit a3cd202aae50abe5a571fb8c186b6b6af68edce2
Author: H.J. Lu <address@hidden>
Date:   Sat Oct 14 10:25:33 2017 -0700

    tile: Check UNDEFWEAK_NO_DYNAMIC_RELOC

    Don't generate dynamic relocation against weak undefined symbol if it
    is resolved to zero.  FIXME: UNDEFWEAK_NO_DYNAMIC_RELOC may need to be
    checked in more places.

        PR ld/22269
        * elf32-tilepro.c (allocate_dynrelocs): Discard dynamic
        relocations if UNDEFWEAK_NO_DYNAMIC_RELOC is true.
        (tilepro_elf_relocate_section): Don't generate dynamic
        relocation if UNDEFWEAK_NO_DYNAMIC_RELOC is true.
        * elfxx-tilegx.c (allocate_dynrelocs): Discard dynamic
        relocations if UNDEFWEAK_NO_DYNAMIC_RELOC is true.
        (tilegx_elf_relocate_section): Don't generate dynamic
        relocation if UNDEFWEAK_NO_DYNAMIC_RELOC is true.

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