Compile Error Msg

[Timer] Timings:
[Timer] annotate                       ---   4.7 s
[Timer] rtype_lltype                   ---   9.5 s
[Timer] pyjitpl_lltype                 --- 264.9 s
[Timer] ==========================================
[Timer] Total:                         --- 279.0 s
[translation:info] Error:
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/translator/goal/translate.py", line 318, in main
    drv.proceed(goals)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/translator/driver.py", line 551, in proceed
    result = self._execute(goals, task_skip = self._maybe_skip())
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/translator/tool/taskengine.py", line 114, in _execute
    res = self._do(goal, taskcallable, *args, **kwds)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/translator/driver.py", line 278, in _do
    res = func()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/translator/driver.py", line 361, in task_pyjitpl_lltype
    backend_name=self.config.translation.jit_backend, inline=True)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/jit/metainterp/warmspot.py", line 72, in apply_jit
    warmrunnerdesc.finish()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/jit/metainterp/warmspot.py", line 288, in finish
    self.annhelper.finish()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/annlowlevel.py", line 219, in finish
    self.finish_rtype()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/annlowlevel.py", line 270, in finish_rtype
    rtyper.specialize_more_blocks()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rtyper.py", line 224, in specialize_more_blocks
    self.specialize_block(block)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rtyper.py", line 310, in specialize_block
    self.translate_hl_to_ll(hop, varmapping)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rtyper.py", line 436, in translate_hl_to_ll
    resultvar = hop.dispatch()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rtyper.py", line 653, in dispatch
    return translate_meth(self)
   File "<252-codegen /home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rtyper.py:506>", line 4, in translate_op_simple_call
    return r_arg1.rtype_simple_call(hop)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rbuiltin.py", line 97, in rtype_simple_call
    return self._call(hop2)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rbuiltin.py", line 88, in _call
    v_result = bltintyper(hop2, **kwds_i)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rlib/objectmodel.py", line 602, in specialize_call
    return hop.gendirectcall(ll_fn, v_obj)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rtyper.py", line 691, in gendirectcall
    return self.llops.gendirectcall(ll_function, *args_v)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/rtyper.py", line 874, in gendirectcall
    rtyper.lowlevel_ann_policy)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/annlowlevel.py", line 95, in annotate_lowlevel_helper
    return annotator.annotate_helper(ll_function, args_s, policy)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 109, in annotate_helper
    self.complete_helpers()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 116, in complete_helpers
    self.complete()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 201, in complete
    self.complete_pending_blocks()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 196, in complete_pending_blocks
    self.processblock(graph, block)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 376, in processblock
    self.flowin(graph, block)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 479, in flowin
    self.consider_op(op)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 635, in consider_op
    resultcell = op.consider(self)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/flowspace/operation.py", line 104, in consider
    return spec(annotator, *self.args)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/unaryop.py", line 118, in simple_call_SomeObject
    return s_func.call(argspec)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/unaryop.py", line 977, in call
    return bookkeeper.pbc_call(self, args)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/bookkeeper.py", line 532, in pbc_call
    results.append(desc.pycall(whence, args, s_previous_result, op))
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/description.py", line 293, in pycall
    result = annotator.recursivecall(graph, whence, inputcells)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 305, in recursivecall
    self.addpendingblock(graph, graph.startblock, inputcells)
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/annrpython.py", line 178, in addpendingblock[67/1217]
    if annmodel.unionof(s_oldarg, s_newarg) != s_oldarg:
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/annotator/model.py", line 775, in unionof
    s1 = pair(s1, s2).union()
   File "/home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/llannotation.py", line 97, in union
    raise UnionError(p1, p2)
[translation:ERROR] UnionError:

Offending annotations:
  SomeInteriorPtr(ll_ptrtype=<InteriorPtr (GcStruct rpy_string).chars>)
  SomeInteriorPtr(ll_ptrtype=<InteriorPtr (GcStruct rpy_unicode).chars>)


Occurred processing the following simple_call:
  function _hash_string </home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rlib/objectmodel.py, line 522> returning

    v755 = simple_call((function _hash_string), v754)

In <FunctionGraph of (rpython.rlib.objectmodel:546)ll_hash_string__rpy_unicodePtr at 0x14e5e1e0>:
Happened at file /home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rlib/objectmodel.py line 547

==>     return _hash_string(ll_s.chars)

Known variable annotations:
 v754 = SomeInteriorPtr(ll_ptrtype=<InteriorPtr (GcStruct rpy_unicode).chars>)

Processing block:
 block@6[ll_s_0] is a <class 'rpython.flowspace.flowcontext.SpamBlock'>
 in (rpython.rlib.objectmodel:546)ll_hash_string__rpy_unicodePtr
 containing the following operations:
       v754 = getattr(ll_s_0, ('chars'))
       v755 = simple_call((function _hash_string), v754)
 --end--
[translation] start debugger...
> /home/hikari/Workspace/PyPy2/pypy2-v5.7.1-src/rpython/rtyper/llannotation.py(97)union()
-> raise UnionError(p1, p2)
(Pdb+)