PR rtl-optimization/27661
	* reload.c (find_reloads): When reloading a VOIDmode constant
	as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
	use Pmode as mode of the reload register.

	PR rtl-optimization/27661
	* gcc.dg/pr27661.c: New test case.

From-SVN: r114141