unwind-dw2.h: Move cfa-related variables into struct frame_state_reg_info to ensure that the...

	* gcc/unwind-dw2.h: Move cfa-related variables into
	struct frame_state_reg_info to ensure that the CFA is properly
	handled when executing DW_CFA_{remember,restore}_state.
	* gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
	gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
	gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
	gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
	gcc/config/rs6000/linux-unwind.h,
	gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
	gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
	Modify to use new cfa_* fields.

From-SVN: r118068