   0  inline_call_r_r <JitCode 'allocate_instance__W_EnvironmentError'>, R[%r0] -> %r0
   6  -live- %r0
   9  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.exceptions.interp_exceptions.W_EnvironmentError.inst_w_errno>
  14  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.exceptions.interp_exceptions.W_EnvironmentError.inst_w_strerror>
  19  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.exceptions.interp_exceptions.W_EnvironmentError.inst_w_filename>
  24  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.exceptions.interp_exceptions.W_BaseException.inst_w_message>
  29  ref_return %r0
