1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/intrinsics/safe-intrinsic-mismatch.rs b/src/test/ui/intrinsics/safe-intrinsic-mismatch.rs
new file mode 100644
index 000000000..50e12eaeb
--- /dev/null
+++ b/src/test/ui/intrinsics/safe-intrinsic-mismatch.rs
@@ -0,0 +1,11 @@
+#![feature(intrinsics)]
+#![feature(rustc_attrs)]
+
+extern "rust-intrinsic" {
+    fn size_of<T>() -> usize; //~ ERROR intrinsic safety mismatch
+
+    #[rustc_safe_intrinsic]
+    fn assume(b: bool); //~ ERROR intrinsic safety mismatch
+}
+
+fn main() {}