Rollup merge of #37636 - karpinski:issue-34915, r=nikomatsakis

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

diff --git a/src/librustc_driver/lib.rs b/src/librustc_driver/lib.rs
index 2699682fb3023b972dca1396cfd421061adf6f61..6551bad3bc92edc730e6a4d7a9dba098419a7453 100644 (file)
--- a/src/librustc_driver/lib.rs
+++ b/src/librustc_driver/lib.rs
@@ -24,7 +24,7 @@
 #![cfg_attr(not(stage0), deny(warnings))]
 
 #![feature(box_syntax)]
-#![feature(dotdot_in_tuple_patterns)]
+#![cfg_attr(stage0, feature(dotdot_in_tuple_patterns))]
 #![feature(libc)]
 #![feature(quote)]
 #![feature(rustc_diagnostic_macros)]