1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/codegen/ffi-const.rs b/src/test/codegen/ffi-const.rs
new file mode 100644
index 00000000000..440d022a12c
--- /dev/null
+++ b/src/test/codegen/ffi-const.rs
@@ -0,0 +1,12 @@
+// compile-flags: -C no-prepopulate-passes
+#![crate_type = "lib"]
+#![feature(ffi_const)]
+
+pub fn bar() { unsafe { foo() } }
+
+extern {
+    // CHECK-LABEL: declare void @foo()
+    // CHECK-SAME: [[ATTRS:#[0-9]+]]
+    // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}readnone{{.*}} }
+    #[ffi_const] pub fn foo();
+}