[lld] r250062 - ELF2: Verify that weak undefined symbols won't add DT_NEEDED.

[Rafael Espíndola via llvm-commits]

Thanks!

On 12 October 2015 at 12:25, Rui Ueyama via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: ruiu
> Date: Mon Oct 12 11:25:33 2015
> New Revision: 250062
>
> URL: http://llvm.org/viewvc/llvm-project?rev=250062&view=rev
> Log:
> ELF2: Verify that weak undefined symbols won't add DT_NEEDED.
>
> In order to actually verify the condition, we have to use a weak symbol.
> If an undefined symbol is not used at all, it is naturally ignored not by
> the code for --as-needed but by the code for something else.
>
> Modified:
>     lld/trunk/test/elf2/as-needed.s
>
> Modified: lld/trunk/test/elf2/as-needed.s
> URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/elf2/as-needed.s?rev=250062&r1=250061&r2=250062&view=diff
> ==============================================================================
> --- lld/trunk/test/elf2/as-needed.s (original)
> +++ lld/trunk/test/elf2/as-needed.s Mon Oct 12 11:25:33 2015
> @@ -41,3 +41,4 @@ _start:
>  .long bar
>  .long zed
>  .weak baz
> +  call baz
>
>
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