[pypy-issue] Issue #3177: Critical error (pypy/pypy)

[Anonymous]

New issue 3177: Critical error
https://bitbucket.org/pypy/pypy/issues/3177/critical-error

Former user:

*RPython traceback:
  File "pypy_interpreter.c", line 44716, in BuiltinCode2_fastcall_2
  File "pypy_objspace_std_6.c", line 30863, in W_UnicodeObject_descr_partition
debug: OperationError:
debug:  operror-type: SystemError
debug:  operror-value: unexpected internal exception (please report a bug): <CheckError object at 0x9a94fc>; internal traceback was dumped to stderr
*

**Everything works in the standard interpreter. But PyPy3 gives a critical error ...**