1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/consts/miri_unleashed/mutating_global.rs b/src/test/ui/consts/miri_unleashed/mutating_global.rs
new file mode 100644
index 000000000..902fe0aa1
--- /dev/null
+++ b/src/test/ui/consts/miri_unleashed/mutating_global.rs
@@ -0,0 +1,16 @@
+// compile-flags: -Zunleash-the-miri-inside-of-you
+#![allow(const_err)]
+
+// Make sure we cannot mutate globals.
+
+static mut GLOBAL: i32 = 0;
+
+static MUTATING_GLOBAL: () = {
+    unsafe {
+        GLOBAL = 99
+        //~^ ERROR could not evaluate static initializer
+        //~| NOTE modifying a static's initial value
+    }
+};
+
+fn main() {}