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-rw-r--r--src/libcore/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
index e85bf1dfcad..05a1bcb4268 100644
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -93,6 +93,7 @@
 #![feature(link_llvm_intrinsics)]
 #![feature(never_type)]
 #![cfg_attr(not(stage0), feature(nll))]
+#![cfg_attr(not(stage0), feature(infer_outlives_requirements))]
 #![feature(exhaustive_patterns)]
 #![feature(macro_at_most_once_rep)]
 #![feature(no_core)]