1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/foreign/foreign-int-types.rs b/src/test/ui/foreign/foreign-int-types.rs
new file mode 100644
index 000000000..2d01d3204
--- /dev/null
+++ b/src/test/ui/foreign/foreign-int-types.rs
@@ -0,0 +1,12 @@
+// run-pass
+#![forbid(improper_ctypes)]
+#![allow(dead_code)]
+
+mod xx {
+    extern "C" {
+        pub fn strlen(str: *const u8) -> usize;
+        pub fn foo(x: isize, y: usize);
+    }
+}
+
+fn main() {}