Auto merge of #117576 - the8472:fix-io-copy-vec, r=Mark-Simulacrum #37956

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5 errors and 10 warnings

unexpected closing delimiter: `}`

this file contains an unclosed delimiter

unexpected closing delimiter: `}`

unexpected `if` in the condition expression

mismatched closing delimiter: `}`

ambiguous glob re-exports

unused import: `$column_name`

unused import: `super::table as $table_name`

unused import: `$column_name`

unused import: `super::table as $table_name`

unused import: `$column_name`