1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/static/safe-extern-statics-mut.rs b/src/test/ui/static/safe-extern-statics-mut.rs
new file mode 100644
index 000000000..389a4589a
--- /dev/null
+++ b/src/test/ui/static/safe-extern-statics-mut.rs
@@ -0,0 +1,17 @@
+// aux-build:extern-statics.rs
+// revisions: mir thir
+// [thir]compile-flags: -Z thir-unsafeck
+
+extern crate extern_statics;
+use extern_statics::*;
+
+extern "C" {
+    static mut B: u8;
+}
+
+fn main() {
+    let b = B; //~ ERROR use of mutable static is unsafe
+    let rb = &B; //~ ERROR use of mutable static is unsafe
+    let xb = XB; //~ ERROR use of mutable static is unsafe
+    let xrb = &XB; //~ ERROR use of mutable static is unsafe
+}