(fix) handle aborts within error.toString #17
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Dont' assume
Fiber#errorcan be converted into a string without potentially aborting. This is definitely an edge case I think. We still would get the C stack trace, but now we can continue to get our own nice Wren-side stack trace still.If this happens and UnknownError is raised (only in the visual stack trace):
UnknownError: toString on Error object aborted