Remove some redundant checks from BufReader

[rust.git] / library / std / src / io / buffered / tests.rs

diff --git a/library/std/src/io/buffered/tests.rs b/library/std/src/io/buffered/tests.rs
index 9d429e7090e83cb25cecd289af329e53be31ac40..fe45b1326384416239fd6c04ef767967698556fe 100644 (file)
--- a/library/std/src/io/buffered/tests.rs
+++ b/library/std/src/io/buffered/tests.rs
@@ -523,6 +523,7 @@ fn bench_buffered_reader_small_reads(b: &mut test::Bencher) {
         let mut buf = [0u8; 4];
         for _ in 0..1024 {
             reader.read_exact(&mut buf).unwrap();
+            core::hint::black_box(&buf);
         }
     });
 }