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-rw-r--r--src/libstd/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 25ba75fd35e..a34fcb5a7f9 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -275,6 +275,7 @@
 #![feature(macro_reexport)]
 #![feature(macro_vis_matcher)]
 #![feature(needs_panic_runtime)]
+#![feature(nonnull_cast)]
 #![feature(exhaustive_patterns)]
 #![feature(nonzero)]
 #![feature(num_bits_bytes)]