1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/simd/issue-105439.rs b/tests/ui/simd/issue-105439.rs
new file mode 100644
index 000000000..35ca76e98
--- /dev/null
+++ b/tests/ui/simd/issue-105439.rs
@@ -0,0 +1,25 @@
+// run-pass
+// compile-flags: -O -Zverify-llvm-ir
+
+#![feature(repr_simd)]
+#![feature(platform_intrinsics)]
+
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy)]
+#[repr(simd)]
+struct i32x4([i32; 4]);
+
+extern "platform-intrinsic" {
+    pub(crate) fn simd_add<T>(x: T, y: T) -> T;
+}
+
+#[inline(always)]
+fn to_array(a: i32x4) -> [i32; 4] {
+    a.0
+}
+
+fn main() {
+    let a = i32x4([1, 2, 3, 4]);
+    let b = unsafe { simd_add(a, a) };
+    assert_eq!(to_array(b), [2, 4, 6, 8]);
+}