dwarf_add_frame_cie(3) on FreeBSD
The text de94671aedd1, as FreeBSD 12.0-RELEASE, FreeBSD 11.4-RELEASE, FreeBSD 11.3-RELEASE, FreeBSD 11.2-RELEASE, FreeBSD 11.1-RELEASE, FreeBSD 11.0-RELEASE shipped it.
add a call frame common information entry to a DWARF producer instance