* libsupc++/unwind-cxx.h (__is_gxx_forced_unwind_class,
	__GXX_INIT_FORCED_UNWIND_CLASS): Define for ARM EABI unwinder.
	* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Call
	__GXX_INIT_FORCED_UNWIND_CLASS for forced unwind with ARM EABI
	unwinder.
	* libsupc++/eh_arm.cc (__cxa_type_match): Use
	__is_gxx_forced_unwind_class to check for forced unwind.

From-SVN: r137683