Commit 0f168a4b authored by Committed by Evan Hunt
dig: return a non-zero exit code for failed TCP EOF retries
dig retries a TCP query when a server closes the connection prematurely. However, dig's exit code remains unaffected even if the second attempt to get a response also fails with the same error for the same lookup, which should not be the case. Ensure the exit code is updated appropriately when a retry triggered by a TCP EOF condition fails.
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