1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/repr/explicit-rust-repr-conflicts.rs b/tests/ui/repr/explicit-rust-repr-conflicts.rs
new file mode 100644
index 000000000..22dd12d31
--- /dev/null
+++ b/tests/ui/repr/explicit-rust-repr-conflicts.rs
@@ -0,0 +1,23 @@
+#[repr(C, Rust)] //~ ERROR conflicting representation hints
+struct S {
+    a: i32,
+}
+
+
+#[repr(Rust)] //~ ERROR conflicting representation hints
+#[repr(C)]
+struct T {
+    a: i32,
+}
+
+#[repr(Rust, u64)] //~ ERROR conflicting representation hints
+enum U {
+    V,
+}
+
+#[repr(Rust, simd)]
+//~^ ERROR conflicting representation hints
+//~| ERROR SIMD types are experimental and possibly buggy
+struct F32x4(f32, f32, f32, f32);
+
+fn main() {}