   0  -live- %i0, %r0, %r1
   3  guard_class %r0 -> %i1
   6  getfield_raw_i %i1, FieldDescr<rpython.rlib.rsre.rsre_core.AbstractMatchContext_vtable.cls__spec_charset_search> -> %i1
  11  -live- %i0, %i1, %r0, %r1
  14  switch %i1, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  18  unreachable
  19  ---
  19  L1:
  19  -live- %i0, %r0, %r1
  22  inline_call_ir_i <JitCode 'Utf8MatchContext.utf8_spec_charset_search'>, I[%i0], R[%r0, %r1] -> %i0
  31  -live- %i0
  34  int_return %i0
  36  ---
  36  L2:
  36  -live- %i0, %r0, %r1
  39  inline_call_ir_i <JitCode 'StrMatchContext.str_spec_charset_search'>, I[%i0], R[%r0, %r1] -> %i0
  48  -live- %i0
  51  int_return %i0
  53  ---
  53  L3:
  53  -live- %i0, %r0, %r1
  56  inline_call_ir_i <JitCode 'BufMatchContext.buf_spec_charset_search'>, I[%i0], R[%r0, %r1] -> %i0
  65  -live- %i0
  68  int_return %i0
