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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 4ae5e0faa31..44097ffeb20 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -865,7 +865,7 @@ impl<'a> Parser<'a> {
         } else {
             // Avoid token copies with `replace`.
             let buffer_start = self.buffer_start as usize;
-            let next_index = (buffer_start + 1) & 3 as usize;
+            let next_index = (buffer_start + 1) & 3;
             self.buffer_start = next_index as isize;
 
             let placeholder = TokenAndSpan {