re PR middle-end/70370 (ICE in execute_todo, at passes.c:2003 when using __real__ or __imag__ as lvalue in asm)

2016-03-24  Richard Biener  <rguenther@suse.de>

	PR middle-end/70370
	* gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
	with register bases.

	* gcc.dg/torture/pr70370.c: New testcase.

From-SVN: r234453