PR middle-end/30704
	* fold-const.c (native_encode_real): Encode real.c provided longs
	as a series of 32-bit native integers.
	(native_interpret_real): Interpret buffer as a series of 32-bit
	native integers.

	* gcc.c-torture/execute/ieee/pr30704.c: New test.

From-SVN: r123455