[lld] r246780 - COFF: Ignore /GUARDSYM option.

[Davide Italiano via llvm-commits]

On Thu, Sep 3, 2015 at 9:20 AM, Rui Ueyama via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: ruiu
> Date: Thu Sep  3 11:20:47 2015
> New Revision: 246780
>
> URL: http://llvm.org/viewvc/llvm-project?rev=246780&view=rev
> Log:
> COFF: Ignore /GUARDSYM option.
>
> The option is added in MSVC 2015, and there's no documentation about
> what the option is. This patch is to ignore the option for now, so that
> at least LLD is usable with MSVC 2015.
>
> Modified:
>     lld/trunk/COFF/Driver.cpp
>     lld/trunk/COFF/Options.td
>
> Modified: lld/trunk/COFF/Driver.cpp
> URL: http://llvm.org/viewvc/llvm-project/lld/trunk/COFF/Driver.cpp?rev=246780&r1=246779&r2=246780&view=diff
> ==============================================================================
> --- lld/trunk/COFF/Driver.cpp (original)
> +++ lld/trunk/COFF/Driver.cpp Thu Sep  3 11:20:47 2015
> @@ -120,6 +120,7 @@ void LinkerDriver::parseDirectives(Strin
>        Config->NoDefaultLibs.insert(doFindLib(Arg->getValue()));
>        break;
>      case OPT_editandcontinue:
> +    case OPT_guardsym:
>      case OPT_throwingnew:
>        break;
>      default:
>

Can we emit some kind of diagnostic to let the user know we're ignoring these?

-- 
Davide

"There are no solved problems; there are only problems that are more
or less solved" -- Henri Poincare