Previously, we skip the entries before arg_lines unconditionally, which doesn't behave correctly when used with --grep. After this commit, when a pattern is specified, we don't skip the entries early, but rely on the count of the lines shown to tell us when to stop. To achieve that we would have to search backwards instead. Fixes #25147 (cherry picked from commit db4691961ca52759fe6645d0fddb659ee4299ac2)
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