From 1fd38c181a5cadb854dd8eb22d1ba1b7f009a12f Mon Sep 17 00:00:00 2001
From: Nick Cameron <ncameron@mozilla.com>
Date: Mon, 16 Mar 2015 17:01:12 +1300
Subject: [PATCH] Reviewer changes

---
 src/librustc_resolve/build_reduced_graph.rs | 2 +-
 src/libsyntax/test.rs                       | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/librustc_resolve/build_reduced_graph.rs b/src/librustc_resolve/build_reduced_graph.rs
index 0282484ba285e..e62300098f678 100644
--- a/src/librustc_resolve/build_reduced_graph.rs
+++ b/src/librustc_resolve/build_reduced_graph.rs
@@ -372,7 +372,7 @@ impl<'a, 'b:'a, 'tcx:'b> GraphBuilder<'a, 'b, 'tcx> {
 
             ItemExternCrate(_) => {
                 // n.b. we don't need to look at the path option here, because cstore already did
-                for &crate_id in self.session.cstore.find_extern_mod_stmt_cnum(item.id).iter() {
+                if let Some(crate_id) = self.session.cstore.find_extern_mod_stmt_cnum(item.id) {
                     let def_id = DefId { krate: crate_id, node: 0 };
                     self.external_exports.insert(def_id);
                     let parent_link = ModuleParentLink(parent.downgrade(), name);
diff --git a/src/libsyntax/test.rs b/src/libsyntax/test.rs
index 991ab77419f5b..2a47a696b1cf2 100644
--- a/src/libsyntax/test.rs
+++ b/src/libsyntax/test.rs
@@ -144,9 +144,10 @@ impl<'a> fold::Folder for TestHarnessGenerator<'a> {
                     // Make all tests public so we can call them from outside
                     // the module (note that the tests are re-exported and must
                     // be made public themselves to avoid privacy errors).
-                    let mut result = (*i).clone();
-                    result.vis = ast::Public;
-                    P(result)
+                    i.map(|mut i| {
+                        i.vis = ast::Public;
+                        i
+                    })
                 }
             }
         } else {