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-rw-r--r--src/libsyntax/parse/parser.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index f14cd524776..f6ec4816b63 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -1705,7 +1705,7 @@ impl<'a> Parser<'a> {
                         (true, LitBinary(parse::binary_lit(i.as_str()))),
                     token::BinaryRaw(i, _) =>
                         (true,
-                         LitBinary(Rc::new(i.as_str().as_bytes().iter().map(|&x| x).collect()))),
+                         LitBinary(Rc::new(i.as_str().as_bytes().iter().cloned().collect()))),
                 };
 
                 if suffix_illegal {