1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/consts/const-cast-ptr-int.rs b/tests/ui/consts/const-cast-ptr-int.rs
new file mode 100644
index 000000000..987d9616e
--- /dev/null
+++ b/tests/ui/consts/const-cast-ptr-int.rs
@@ -0,0 +1,16 @@
+// run-pass
+#![allow(non_upper_case_globals)]
+
+use std::ptr;
+
+struct TestStruct {
+    x: *const u8
+}
+
+unsafe impl Sync for TestStruct {}
+
+static a: TestStruct = TestStruct{x: 0 as *const u8};
+
+pub fn main() {
+    assert_eq!(a.x, ptr::null());
+}