   0  inline_call_ir_r <JitCode 'interp_w__W_FFIObject'>, I[$False], R[%r0] -> %r0
   8  -live- %r1, %r2
   8  inline_call_ir_r <JitCode 'interp_w__W_CData'>, I[$False], R[%r1] -> %r0
  16  -live- %r0, %r2
  16  inline_call_r_r <JitCode 'W_CData.with_gc'>, R[%r0, %r2] -> %r0
  23  -live- %r0
  23  ref_return %r0
