Damien George f50b64cab5 py/runtime: Be sure that non-intercepted thrown object is an exception. ...

The VM expects that, if mp_resume() returns MP_VM_RETURN_EXCEPTION, then
the returned value is an exception instance (eg to add a traceback to it).
It's possible that a value passed to a generator's throw() is not an
exception so must be explicitly checked for if the thrown value is not
intercepted by the generator.

Thanks to @jepler for finding the bug.

2018-03-30 12:43:38 +11:00

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