[PATCH] Teach var-tracking about some targets setmem/movmem patterns (PR debug/47991)

[Alexandre Oliva]

On Mar  4, 2011, Jakub Jelinek <jakub@redhat.com> wrote:

> 	PR debug/47991
> 	* var-tracking.c (find_use_val): Return NULL for
> 	cui-> sets && cui->store_p BLKmode MEMs.

> 	* gcc.dg/pr47991.c: New test.

This looks good to me, but I can't approve it.

-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
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