re PR target/54516 (ICE in reload_cse_simplify_operands, at postreload.c:403 with -O1 -march=armv7-a -mthumb)

	PR target/54516
	PR rtl-optimization/54540
	* reload.c (find_dummy_reload): Don't use OUT as a reload reg
	for IN if it overlaps a fixed register.

From-SVN: r191307