#name: PR ld/12570 (PLT)
#as: --64
#ld: -melf_x86_64 -shared
#readelf: -wf --wide

#...
  DW_CFA_def_cfa_expression \(DW_OP_breg7 \(rsp\): 8; DW_OP_breg16 \(rip\): 0;.*
#...