core/std/alloc: stabilize or_patterns

Author: mark-i-m

library/alloc/src/lib.rs

@@ -118,7 +118,7 @@
 #![feature(nonnull_slice_from_raw_parts)]
 #![feature(auto_traits)]
 #![feature(option_result_unwrap_unchecked)]
-#![feature(or_patterns)]
+#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(pattern)]
 #![feature(ptr_internals)]
 #![feature(rustc_attrs)]

library/core/src/lib.rs

@@ -126,7 +126,7 @@
 #![feature(exhaustive_patterns)]
 #![feature(no_core)]
 #![feature(auto_traits)]
-#![feature(or_patterns)]
+#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(prelude_import)]
 #![cfg_attr(not(bootstrap), feature(ptr_metadata))]
 #![feature(repr_simd, platform_intrinsics)]

library/std/src/lib.rs

@@ -297,7 +297,7 @@
 #![feature(nonnull_slice_from_raw_parts)]
 #![feature(once_cell)]
 #![feature(auto_traits)]
-#![feature(or_patterns)]
+#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(panic_info_message)]
 #![feature(panic_internals)]
 #![feature(panic_unwind)]