Auto merge of #71230 - Dylan-DPC:rollup-rofigbv, r=Dylan-DPC

Rollup of 7 pull requests

Successful merges:

 - #70578 (Add long error explanation for E0657)
 - #70910 (Hides default fns inside Fuse impl to avoid exposing it to any crate)
 - #71164 (reword Miri validity errors: undefined -> uninitialized)
 - #71182 (Add some regression tests)
 - #71206 (Miri error messages: avoid try terminology)
 - #71220 (Dogfood or_patterns in the standard library)
 - #71225 (Fix typo in Default trait docs: Provides -> Provide)

Failed merges:

r? @ghost

2 files changed, 2 insertions, 6 deletions

diff --git a/src/liballoc/collections/btree/map.rs b/src/liballoc/collections/btree/map.rs
index 3fc1b5e16b3..38196b2d4b4 100644
--- a/src/liballoc/collections/btree/map.rs
+++ b/src/liballoc/collections/btree/map.rs
@@ -2058,12 +2058,7 @@ where
         (Excluded(s), Excluded(e)) if s == e => {
             panic!("range start and end are equal and excluded in BTreeMap")
         }
-        (Included(s), Included(e))
-        | (Included(s), Excluded(e))
-        | (Excluded(s), Included(e))
-        | (Excluded(s), Excluded(e))
-            if s > e =>
-        {
+        (Included(s) | Excluded(s), Included(e) | Excluded(e)) if s > e => {
             panic!("range start is greater than range end in BTreeMap")
         }
         _ => {}
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 121c1cde548..a2071844d5d 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -103,6 +103,7 @@
 #![feature(new_uninit)]
 #![feature(nll)]
 #![feature(optin_builtin_traits)]
+#![feature(or_patterns)]
 #![feature(pattern)]
 #![feature(ptr_internals)]
 #![feature(ptr_offset_from)]