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fix test failure from trying to assume_init too much

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This commit is contained in:
DrMeepster 2021-06-29 15:25:08 -07:00
parent 9562c01879
commit 7c5a895a89
1 changed files with 1 additions and 1 deletions
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library/std/src/io/copy.rs
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@ -103,7 +103,7 @@ impl<I: Write> BufferedCopySpec for BufWriter<I> {
return Ok(len); return Ok(len);
} }
init = read_buf.initialized_len(); init = read_buf.initialized_len() - bytes_read;
// SAFETY: ReadBuf guarantees all of its filled bytes are init // SAFETY: ReadBuf guarantees all of its filled bytes are init
unsafe { buf.set_len(buf.len() + bytes_read) }; unsafe { buf.set_len(buf.len() + bytes_read) };