2012-08-16   Diego Novillo  <dnovillo@google.com>

	Revert

	PR bootstrap/54281
	* double-int.h: Move including of gmp.h ...
	* system.h: ... here.
	* realmpfr.h: Do not include gmp.h.
	* tree-ssa-loop-niter.c: Do not include gmp.h.

From-SVN: r190449