[PATCH] D17502: [ELF] - Fix of 22906, referencing __start or __stop should keep the section from GC.

[Rui Ueyama via llvm-commits]

On Tue, Feb 23, 2016 at 12:19 AM, Ed Schouten <ed at nuxi.nl> wrote:

> ed added a comment.
>
> In http://reviews.llvm.org/D17502#359151, @ruiu wrote:
>
> > Although I understand the point of this patch, is this significant? Do
> you need this to link some specific program?
>
>
> Yes. The unit testing binary for CloudABI's C library:
> https://github.com/NuxiNL/cloudlibc.
>
> Each of the individual unit tests place a structure in a separate section,
> so they are registered automatically. The unit testing binary's entry point
> then iterates over all of the structures placed in this section and invokes
> the callbacks. Relevant sources:
>
>
> https://github.com/NuxiNL/cloudlibc/blob/master/src/include/testing.h#L74-L101
>
> https://github.com/NuxiNL/cloudlibc/blob/master/src/libc/testing/testing_execute.c#L28-L30
>
> CloudABI recently switched over to LLD on x86-64. The only regression we
> run in to compared to GNU ld is this specific issue.
>

This is the first user report for me that they switched over to LLD. Thank
you for using our linker!
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