Auto merge of #124895 - obeis:static-mut-hidden-ref, r=compiler-errors

Disallow hidden references to mutable static

Closes #123060

Tracking:
- rust-lang/rust#123758

Author: bors

tests/pass-dep/concurrency/linux-futex.rs

@@ -1,6 +1,9 @@
 //@only-target: linux
 //@compile-flags: -Zmiri-disable-isolation
 
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
+
 use std::mem::MaybeUninit;
 use std::ptr::{self, addr_of};
 use std::sync::atomic::AtomicI32;

tests/pass-dep/concurrency/tls_pthread_drop_order.rs

@@ -5,6 +5,9 @@
 //! the fallback path in `guard::key::enable`, which uses a *single* pthread_key
 //! to manage a thread-local list of dtors to call.
 
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
+
 use std::mem;
 use std::ptr;
 

tests/pass-dep/libc/libc-eventfd.rs

@@ -2,6 +2,9 @@
 // test_race depends on a deterministic schedule.
 //@compile-flags: -Zmiri-preemption-rate=0
 
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
+
 use std::thread;
 
 fn main() {

tests/pass-dep/libc/libc-pipe.rs

@@ -72,6 +72,8 @@ fn test_pipe_threaded() {
     thread2.join().unwrap();
 }
 
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#[allow(static_mut_refs)]
 fn test_race() {
     static mut VAL: u8 = 0;
     let mut fds = [-1, -1];

tests/pass-dep/libc/libc-socketpair.rs

@@ -1,6 +1,10 @@
 //@ignore-target: windows # No libc socketpair on Windows
 // test_race depends on a deterministic schedule.
 //@compile-flags: -Zmiri-preemption-rate=0
+
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
+
 use std::thread;
 fn main() {
     test_socketpair();

tests/pass/atomic.rs

@@ -1,7 +1,11 @@
 //@revisions: stack tree
 //@[tree]compile-flags: -Zmiri-tree-borrows
 //@compile-flags: -Zmiri-strict-provenance
+
 #![feature(strict_provenance, strict_provenance_atomic_ptr)]
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
+
 use std::sync::atomic::{
     compiler_fence, fence, AtomicBool, AtomicIsize, AtomicPtr, AtomicU64, Ordering::*,
 };

tests/pass/drop_on_array_elements.rs

@@ -1,3 +1,5 @@
+#![allow(static_mut_refs)]
+
 struct Bar(u16); // ZSTs are tested separately
 
 static mut DROP_COUNT: usize = 0;

tests/pass/drop_on_fat_ptr_array_elements.rs

@@ -1,3 +1,5 @@
+#![allow(static_mut_refs)]
+
 trait Foo {}
 
 struct Bar;

tests/pass/drop_on_zst_array_elements.rs

@@ -1,3 +1,5 @@
+#![allow(static_mut_refs)]
+
 struct Bar;
 
 static mut DROP_COUNT: usize = 0;

tests/pass/drop_through_owned_slice.rs

@@ -1,3 +1,5 @@
+#![allow(static_mut_refs)]
+
 struct Bar;
 
 static mut DROP_COUNT: usize = 0;

tests/pass/static_memory_modification.rs

@@ -1,3 +1,6 @@
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
+
 use std::sync::atomic::{AtomicUsize, Ordering};
 
 static mut X: usize = 5;

tests/pass/static_mut.rs

@@ -1,3 +1,6 @@
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
+
 use std::ptr::addr_of;
 
 static mut FOO: i32 = 42;

tests/pass/tls/tls_static.rs

@@ -7,6 +7,8 @@
 //! dereferencing the pointer on `t2` resolves to `t1`'s thread-local. In this
 //! test, we also check that thread-locals act as per-thread statics.
 
+// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
+#![allow(static_mut_refs)]
 #![feature(thread_local)]
 
 use std::ptr::addr_of_mut;