Auto merge of #68494 - matthewjasper:internal-static-ptrs, r=nikomatsakis

Make pointers to statics internal

Closes #67611

r? @nikomatsakis

src/test/ui/async-await/issues/issue-67611-static-mut-refs.rs

@@ -0,0 +1,33 @@
+// build-pass
+// edition:2018
+
+static mut A: [i32; 5] = [1, 2, 3, 4, 5];
+
+fn is_send_sync<T: Send + Sync>(_: T) {}
+
+async fn fun() {
+    let u = unsafe { A[async { 1 }.await] };
+    unsafe {
+        match A {
+            i if async { true }.await => (),
+            _ => (),
+        }
+    }
+}
+
+fn main() {
+    let index_block = async {
+        let u = unsafe { A[async { 1 }.await] };
+    };
+    let match_block = async {
+        unsafe {
+            match A {
+                i if async { true }.await => (),
+                _ => (),
+            }
+        }
+    };
+    is_send_sync(index_block);
+    is_send_sync(match_block);
+    is_send_sync(fun());
+}

src/test/ui/generator/static-mut-reference-across-yield.rs

@@ -0,0 +1,29 @@
+// build-pass
+#![feature(generators)]
+
+static mut A: [i32; 5] = [1, 2, 3, 4, 5];
+
+fn is_send_sync<T: Send + Sync>(_: T) {}
+
+fn main() {
+    unsafe {
+        let gen_index = static || {
+            let u = A[{
+                yield;
+                1
+            }];
+        };
+        let gen_match = static || match A {
+            i if {
+                yield;
+                true
+            } =>
+            {
+                ()
+            }
+            _ => (),
+        };
+        is_send_sync(gen_index);
+        is_send_sync(gen_match);
+    }
+}