lang items need feature gates

oli-obk · web-flow · commit 81a7f472eddd · 2018-10-16T11:52:48.000+02:00
diff --git a/tests/testsuite/doc.rs b/tests/testsuite/doc.rs
@@ -568,7 +568,7 @@ fn doc_target() {
         .file(
             "src/lib.rs",
             r#"
-            #![feature(no_core)]
+            #![feature(no_core, lang_items)]
             #![no_core]
 
             #[lang = "sized"]
