1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/unsafe/unsafe-fn-assign-deref-ptr.rs b/src/test/ui/unsafe/unsafe-fn-assign-deref-ptr.rs
new file mode 100644
index 000000000..a94e94375
--- /dev/null
+++ b/src/test/ui/unsafe/unsafe-fn-assign-deref-ptr.rs
@@ -0,0 +1,10 @@
+// revisions: mir thir
+// [thir]compile-flags: -Z thir-unsafeck
+
+fn f(p: *mut u8) {
+    *p = 0; //~ ERROR dereference of raw pointer is unsafe
+    return;
+}
+
+fn main() {
+}