1 files changed, 19 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/issue-85872-multiple-reverse.rs b/tests/codegen-llvm/issues/issue-85872-multiple-reverse.rs
new file mode 100644
index 00000000000..6f566ddee6b
--- /dev/null
+++ b/tests/codegen-llvm/issues/issue-85872-multiple-reverse.rs
@@ -0,0 +1,19 @@
+//@ compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn u16_be_to_arch(mut data: [u8; 2]) -> [u8; 2] {
+    // CHECK-LABEL: @u16_be_to_arch
+    // CHECK: @llvm.bswap.i16
+    data.reverse();
+    data
+}
+
+#[no_mangle]
+pub fn u32_be_to_arch(mut data: [u8; 4]) -> [u8; 4] {
+    // CHECK-LABEL: @u32_be_to_arch
+    // CHECK: @llvm.bswap.i32
+    data.reverse();
+    data
+}