Merge from rustc

Author: The Miri Cronjob Bot

README.md

@@ -595,7 +595,7 @@ Definite bugs found:
 * [Occasional memory leak in `std::mpsc` channels](https://github.com/rust-lang/rust/issues/121582) (original code in [crossbeam](https://github.com/crossbeam-rs/crossbeam/pull/1084))
 * [Weak-memory-induced memory leak in Windows thread-local storage](https://github.com/rust-lang/rust/pull/124281)
 * [A bug in the new `RwLock::downgrade` implementation](https://rust-lang.zulipchat.com/#narrow/channel/269128-miri/topic/Miri.20error.20library.20test) (caught by Miri before it landed in the Rust repo)
-* [Mockall reading unintialized memory when mocking `std::io::Read::read`, even if all expectations are satisfied](https://github.com/asomers/mockall/issues/647) (caught by Miri running Tokio's test suite)
+* [Mockall reading uninitialized memory when mocking `std::io::Read::read`, even if all expectations are satisfied](https://github.com/asomers/mockall/issues/647) (caught by Miri running Tokio's test suite)
 * [`ReentrantLock` not correctly dealing with reuse of addresses for TLS storage of different threads](https://github.com/rust-lang/rust/pull/141248)
 
 Violations of [Stacked Borrows] found that are likely bugs (but Stacked Borrows is currently just an experiment):

src/lib.rs

@@ -173,7 +173,7 @@ pub const MIRI_DEFAULT_ARGS: &[&str] = &[
     "-Zmir-emit-retag",
     "-Zmir-preserve-ub",
     "-Zmir-opt-level=0",
-    "-Zmir-enable-passes=-CheckAlignment,-CheckNull",
+    "-Zmir-enable-passes=-CheckAlignment,-CheckNull,-CheckEnums",
     // Deduplicating diagnostics means we miss events when tracking what happens during an
     // execution. Let's not do that.
     "-Zdeduplicate-diagnostics=no",

tests/fail/dangling_pointers/dangling_pointer_to_raw_pointer.rs

@@ -6,7 +6,7 @@ fn direct_raw(x: *const (i32, i32)) -> *const i32 {
 
 // Ensure that if a raw pointer is created via an intermediate
 // reference, we catch that. (Just in case someone decides to
-// desugar this differenly or so.)
+// desugar this differently or so.)
 fn via_ref(x: *const (i32, i32)) -> *const i32 {
     unsafe { &(*x).0 as *const i32 } //~ERROR: dangling pointer
 }