1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-eval/extern_fat_pointer.rs b/src/test/ui/consts/const-eval/extern_fat_pointer.rs
new file mode 100644
index 000000000..d91d07827
--- /dev/null
+++ b/src/test/ui/consts/const-eval/extern_fat_pointer.rs
@@ -0,0 +1,13 @@
+// check-pass
+
+#![feature(extern_types)]
+
+extern "C" {
+    type Opaque;
+}
+
+const FOO: *const u8 = &42 as *const _ as *const Opaque as *const u8;
+
+fn main() {
+    let _foo = FOO;
+}