fix: bitmap advance_back_to could violate invariants #339
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Bitmap container iterators require the front key <= the back key at all times, but advance_back_to could violate this. This shouldn't have really caused any misbehavior, but would trigger a debug assertion.
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Bitmap container iterators require the front key <= the back key at all times, but advance_back_to could violate this. This shouldn't have really caused any misbehavior, but would trigger a debug assertion.