Rollup merge of #32150 - steveklabnik:gh20213, r=bluss

[rust.git] / src / librustc_back / lib.rs

diff --git a/src/librustc_back/lib.rs b/src/librustc_back/lib.rs
index 844f4925bd274f7082451d898ab26d44422e9dd4..364c2977bfb057fca7c45071befc3ba22e9e063c 100644 (file)
--- a/src/librustc_back/lib.rs
+++ b/src/librustc_back/lib.rs
@@ -28,12 +28,13 @@
 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
       html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
       html_root_url = "https://doc.rust-lang.org/nightly/")]
+#![cfg_attr(not(stage0), deny(warnings))]
 
 #![feature(box_syntax)]
+#![feature(copy_from_slice)]
 #![feature(libc)]
 #![feature(rand)]
 #![feature(rustc_private)]
-#![feature(clone_from_slice)]
 #![feature(staged_api)]
 #![feature(step_by)]
 #![cfg_attr(test, feature(test, rand))]