re PR bootstrap/45028 (ICE building 64-bit libjava on Solaris 2/SPARC: output_operand: invalid expression as operand)

	PR bootstrap/45028
	* recgprop.c (copyprop_hardreg_forward_1): If changed is true,
	call cprop_find_used_regs again via note_uses.

From-SVN: r162427