re PR target/48551 (Following source code crashes the c++ compiler on coldfire platform.)

re PR target/48551 (Following source code crashes the c++ compiler on coldfire platform.)

2016-11-20  Jeff Law  <law@redhat.com>

	PR target/48551
	* reload.h (struct target_reload): Make x_double_reg_address_ok
	be per-mode rather.
	* reload.c (find_reloads_address): Check if double_reg_address_ok
	is true for the mode of the memory reference.
	* reload1.c (init_reload): Initialize double_reg_address_ok for
	each mode.

	PR target/48551
	* gcc.target/m68k/pr48551.c: New test.

From-SVN: r242648