[PATCH] nptl: fix set-but-unused warning w/_STACK_GROWS_UP

[Mike Frysinger]

On 29 Jul 2015 21:17, Roland McGrath wrote:
> Looks fine for post-freeze.  I imagine it might be freeze-worthy as a bug
> fix for -Werror builds on actual _STACK_GROWS_UP (is that only hppa?),
> but you didn't mention that.

it is a -Werror fix, but since only hppa currently has _STACK_GROWS_UP,
and hppa itself doesn't build w/out patches, i'm fine leaving this for
post freeze.
-mike
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