eval: ensure last is initialized. #1
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Depending on the condition of the while loop, there was a chance that 'last' could be returned uninitialized. Set 'last' to NULL initially to ensure that it has a value when returned.
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Depending on the condition of the while loop, there was a chance
that 'last' could be returned uninitialized. Set 'last' to NULL
initially to ensure that it has a value when returned.