1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-unsafe-static-mutable-borrows.rs b/tests/ui/borrowck/borrowck-unsafe-static-mutable-borrows.rs
new file mode 100644
index 00000000000..adc7dfd541f
--- /dev/null
+++ b/tests/ui/borrowck/borrowck-unsafe-static-mutable-borrows.rs
@@ -0,0 +1,20 @@
+// run-pass
+
+// Test file taken from issue 45129 (https://github.com/rust-lang/rust/issues/45129)
+
+struct Foo { x: [usize; 2] }
+
+static mut SFOO: Foo = Foo { x: [23, 32] };
+
+impl Foo {
+    fn x(&mut self) -> &mut usize { &mut self.x[0] }
+}
+
+fn main() {
+    unsafe {
+        let sfoo: *mut Foo = &mut SFOO;
+        let x = (*sfoo).x();
+        (*sfoo).x[1] += 1;
+        *x += 1;
+    }
+}