dwarf_fde_cfa_offset(3) on FreeBSD
The text 48b495f74171, 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 DW_CFA_offset frame instruction to a DWARF frame descriptor