---

yaml
---
r: 150060
b: refs/heads/try2
c: 92f0bc2
h: refs/heads/master
v: v3

Author: huonw

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 873f7408bdffdb05b23f77aa343abd05f2e3126c
+refs/heads/try2: 92f0bc29355ac990595e1771c4bb9a3b7e358d30
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/librustc/driver/driver.rs

@@ -186,7 +186,7 @@ pub fn phase_1_parse_input(sess: &Session, cfg: ast::CrateConfig, input: &Input)
     });
 
     if sess.opts.debugging_opts & session::AST_JSON_NOEXPAND != 0 {
-        let mut stdout = io::stdout();
+        let mut stdout = io::BufferedWriter::new(io::stdout());
         let mut json = json::PrettyEncoder::new(&mut stdout);
         krate.encode(&mut json);
     }
@@ -261,7 +261,7 @@ pub fn phase_2_configure_and_expand(sess: &Session,
          front::assign_node_ids_and_map::assign_node_ids_and_map(sess, krate));
 
     if sess.opts.debugging_opts & session::AST_JSON != 0 {
-        let mut stdout = io::stdout();
+        let mut stdout = io::BufferedWriter::new(io::stdout());
         let mut json = json::PrettyEncoder::new(&mut stdout);
         krate.encode(&mut json);
     }