rustdoc: Prune unexported impls

2 files changed, 10 insertions, 1 deletions

diff --git a/src/rustdoc/doc.rs b/src/rustdoc/doc.rs
index 3a960d294c1..4cf192edfa5 100644
--- a/src/rustdoc/doc.rs
+++ b/src/rustdoc/doc.rs
@@ -184,7 +184,7 @@ impl util for itemtag {
           doc::enumtag({name, _}) { name }
           doc::restag({name, _}) { name }
           doc::ifacetag({name, _}) { name }
-          _ { fail }
+          doc::impltag({name, _}) { name }
         }
     }
 }
diff --git a/src/rustdoc/prune_unexported_pass.rs b/src/rustdoc/prune_unexported_pass.rs
index 554124f6348..096c259b713 100644
--- a/src/rustdoc/prune_unexported_pass.rs
+++ b/src/rustdoc/prune_unexported_pass.rs
@@ -248,3 +248,12 @@ fn should_prune_unexported_ifaces_from_top_mod() {
     let doc = run(srv, doc);
     assert vec::is_empty(doc.topmod.ifaces());
 }
+
+#[test]
+fn should_prune_unexported_impls_from_top_mod() {
+    let source = "export a; mod a { } impl b for int { fn c() { } }";
+    let srv = astsrv::mk_srv_from_str(source);
+    let doc = extract::from_srv(srv, "");
+    let doc = run(srv, doc);
+    assert vec::is_empty(doc.topmod.impls())
+}
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