Hi Tom,
> this patch introduces an effective target weak_undefined, and uses it in
> test-case visibility-22.c.
>
> I've tested this on trunk for x86_64, and the test still runs and passes.
>
> I've tested this on an internal branch for the gcn target, where it makes
> the test unsupported (instead of timing out due to random code execution).
>
> OK for trunk?
I like the idea, thanks for doing this.
> Require effective target weak_undefined for visibility-22.c
>
> 2017-12-14 Tom de Vries <t...@codesourcery.com>
>
> * lib/target-supports.exp (check_effective_target_weak_undefined): New
> proc.
> * gcc.dg/visibility-22.c: Require effective target weak_undefined.
Ok with documentation added to sourcebuild.texi and the dg-skip-if
removed. If need be, the proc can still be refined.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
