unwind-arm.c (enum __cxa_type_match_result): New.

	gcc/
	* config/arm/unwind-arm.c (enum __cxa_type_match_result): New.
	(cxa_type_match): Correct declaration.
	(__gnu_unwind_pr_common): Reconstruct
	additional indirection when __cxa_type_match returns
	succeeded_with_ptr_to_base.

	libstdc++/
	* libsupc++/eh_arm.c (__cxa_type_match): Construct address of
	thrown object here.  Return succeded_with_ptr_to_base for all
	pointer cases.

From-SVN: r175641