1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/ui/simd/intrinsic/generic-cast.rs b/src/test/ui/simd/intrinsic/generic-cast.rs
new file mode 100644
index 000000000..4f4fa06b0
--- /dev/null
+++ b/src/test/ui/simd/intrinsic/generic-cast.rs
@@ -0,0 +1,43 @@
+// build-fail
+
+#![feature(repr_simd, platform_intrinsics)]
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+#[allow(non_camel_case_types)]
+struct i32x4(i32, i32, i32, i32);
+#[repr(simd)]
+#[derive(Copy, Clone)]
+#[allow(non_camel_case_types)]
+struct i32x8(i32, i32, i32, i32,
+             i32, i32, i32, i32);
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+#[allow(non_camel_case_types)]
+struct f32x4(f32, f32, f32, f32);
+#[repr(simd)]
+#[derive(Copy, Clone)]
+#[allow(non_camel_case_types)]
+struct f32x8(f32, f32, f32, f32,
+             f32, f32, f32, f32);
+
+
+extern "platform-intrinsic" {
+    fn simd_cast<T, U>(x: T) -> U;
+}
+
+fn main() {
+    let x = i32x4(0, 0, 0, 0);
+
+    unsafe {
+        simd_cast::<i32, i32>(0);
+        //~^ ERROR expected SIMD input type, found non-SIMD `i32`
+        simd_cast::<i32, i32x4>(0);
+        //~^ ERROR expected SIMD input type, found non-SIMD `i32`
+        simd_cast::<i32x4, i32>(x);
+        //~^ ERROR expected SIMD return type, found non-SIMD `i32`
+        simd_cast::<_, i32x8>(x);
+//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i32x8` with length 8
+    }
+}