Port collapse doesn't need FPI, a single pass is provably correct. This is a minor performance enhancement, as it essentially saves a `ret_array = ret_array[:]`, but more importantly makes the code more legible and elegant.
Port collapse doesn't need FPI, a single pass is provably correct. This is a minor performance enhancement, as it essentially saves a `ret_array = ret_array[:]`, but more importantly makes the code more legible and elegant.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=238745663

google/capirca,google/capirca,google/capirca,google/capirca