* dwarf2-frame.c (dwarf2_frame_cache): Update comment.

* dwarf2-frame.c (dwarf2_frame_cache): Update comment.

* frame.c (frame_unwind_address_in_block): Delete.
(get_frame_address_in_block): Do not use it.  Check the type
of the next frame first.
(frame_cleanup_after_sniffer): Update comment.
* frame.h (frame_unwind_address_in_block): Delete prototype.
* hppa-tdep.c (hppa_find_unwind_entry_in_block): Update comment.