[PATCH] Fix PR55489, memory-hog bug in GCSE

[Eric Botcazou]

> Bootstrap finished on x86_64-pc-linux-gnu, regtest in progress; ok for
> 4.7 and trunk if it passes?
> 
> Paolo
> 
> 2012-11-26  Paolo Bonzini  <pbonzini@redhat.com>
> 
> 	PR rtl-optimization/55489
> 	* gcse.c (compute_transp): Precompute a canonical version
> 	of XEXP (x, 0), and pass it to canon_true_dependence.

OK, thanks.

-- 
Eric Botcazou