   0  -live- %i0, %r0, %r1
   0  guard_class %r0 -> %i1
   3  getfield_raw_i %i1, FieldDescr<rpython.rlib.rsre.rsre_core.AbstractMatchContext_vtable.cls__spec_charset_search> -> %i1
   8  -live- %i0, %i1, %r0, %r1
   8  switch %i1, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  12  unreachable
  13  ---
  13  L1:
  13  -live- %i0, %r0, %r1
  13  inline_call_ir_i <JitCode 'Utf8MatchContext.utf8_spec_charset_search'>, I[%i0], R[%r0, %r1] -> %i0
  22  -live- %i0
  22  int_return %i0
  24  ---
  24  L2:
  24  -live- %i0, %r0, %r1
  24  inline_call_ir_i <JitCode 'StrMatchContext.str_spec_charset_search'>, I[%i0], R[%r0, %r1] -> %i0
  33  -live- %i0
  33  int_return %i0
  35  ---
  35  L3:
  35  -live- %i0, %r0, %r1
  35  inline_call_ir_i <JitCode 'BufMatchContext.buf_spec_charset_search'>, I[%i0], R[%r0, %r1] -> %i0
  44  -live- %i0
  44  int_return %i0
