[lld] r324467 - [ELF][MIPS] Ignore incorrect version definition index for _gp_disp symbol

[Simon Atanasyan via llvm-commits]

If it's not too late, r324467 and r324468 revisions should be merged
into the release_60 branch.

On Wed, Feb 7, 2018 at 1:02 PM, Simon Atanasyan via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: atanasyan
> Date: Wed Feb  7 02:02:49 2018
> New Revision: 324467
>
> URL: http://llvm.org/viewvc/llvm-project?rev=324467&view=rev
> Log:
> [ELF][MIPS] Ignore incorrect version definition index for _gp_disp symbol
>
> MIPS BFD linker puts _gp_disp symbol into DSO files and assigns zero
> version definition index to it. This value means 'unversioned local
> symbol' while _gp_disp is a section global symbol. We have to handle
> this bug in the LLD because BFD linker is used for building MIPS
> toolchain libraries.
>
> Differential revision: https://reviews.llvm.org/D42486
>
> Added:
>     lld/trunk/test/ELF/Inputs/mips-gp-dips-corrupt-ver.s
>     lld/trunk/test/ELF/Inputs/mips-gp-dips-corrupt-ver.so   (with props)
>     lld/trunk/test/ELF/mips-gp-disp-ver.s
> Modified:
>     lld/trunk/ELF/InputFiles.cpp

-- 
Simon Atanasyan