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path: root/src/libsyntax/ext/trace_macros.rs
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Diffstat (limited to 'src/libsyntax/ext/trace_macros.rs')
-rw-r--r--src/libsyntax/ext/trace_macros.rs5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/libsyntax/ext/trace_macros.rs b/src/libsyntax/ext/trace_macros.rs
index 83c6c6a1762..4189ea6a967 100644
--- a/src/libsyntax/ext/trace_macros.rs
+++ b/src/libsyntax/ext/trace_macros.rs
@@ -25,8 +25,7 @@ pub fn expand_trace_macros(cx: &mut ExtCtxt,
     let tt_rdr = new_tt_reader(cx.parse_sess().span_diagnostic,
                                None,
                                tt.to_owned());
-    let rdr = tt_rdr as @Reader;
-    let mut rust_parser = Parser(sess, cfg.clone(), rdr.dup());
+    let mut rust_parser = Parser(sess, cfg.clone(), tt_rdr.dup());
 
     if rust_parser.is_keyword(keywords::True) {
         cx.set_trace_macros(true);
@@ -39,7 +38,7 @@ pub fn expand_trace_macros(cx: &mut ExtCtxt,
 
     rust_parser.bump();
 
-    let mut rust_parser = Parser(sess, cfg, rdr.dup());
+    let mut rust_parser = Parser(sess, cfg, tt_rdr.dup());
     let result = rust_parser.parse_expr();
     base::MRExpr(result)
 }