1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/consts/bswap-const.rs b/tests/ui/consts/bswap-const.rs
new file mode 100644
index 000000000..3145c21ac
--- /dev/null
+++ b/tests/ui/consts/bswap-const.rs
@@ -0,0 +1,15 @@
+// run-pass
+
+#![feature(core_intrinsics)]
+
+use std::intrinsics;
+
+const SWAPPED_U8: u8 = intrinsics::bswap(0x12_u8);
+const SWAPPED_U16: u16 = intrinsics::bswap(0x12_34_u16);
+const SWAPPED_I32: i32 = intrinsics::bswap(0x12_34_56_78_i32);
+
+fn main() {
+    assert_eq!(SWAPPED_U8, 0x12);
+    assert_eq!(SWAPPED_U16, 0x34_12);
+    assert_eq!(SWAPPED_I32, 0x78_56_34_12);
+}