[lld] r340902 - Always add a .note.GNU-stack section if -r.

[Joerg Sonnenberger via llvm-commits]

On Wed, Aug 29, 2018 at 07:27:09AM -0000, Rui Ueyama via llvm-commits wrote:
> Author: ruiu
> Date: Wed Aug 29 00:27:09 2018
> New Revision: 340902
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=340902&view=rev
> Log:
> Always add a .note.GNU-stack section if -r.
> 
> With this patch, lld creates a .note.GNU_stack and adds that to an
> output file if it is creating a re-linkable object file (i.e. if -r
> is given). If we don't do this, and if you use GNU linkers as a final
> linker, they create an executable whose stack area is executable,
> which is considered pretty bad these days.

It should only be done if at least one of the input files had the note.

Joerg