1 files changed, 28 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/issue-36010-some-box-is_some.rs b/tests/codegen-llvm/issues/issue-36010-some-box-is_some.rs
new file mode 100644
index 00000000000..c9a8262162d
--- /dev/null
+++ b/tests/codegen-llvm/issues/issue-36010-some-box-is_some.rs
@@ -0,0 +1,28 @@
+#![crate_type = "lib"]
+
+//@ compile-flags: -Copt-level=3
+
+use std::mem;
+
+fn foo<T>(a: &mut T, b: T) -> bool {
+    let b = Some(mem::replace(a, b));
+    let ret = b.is_some();
+    mem::forget(b);
+    return ret;
+}
+
+// CHECK-LABEL: @foo_u32
+// CHECK: store i32
+// CHECK-NEXT: ret i1 true
+#[no_mangle]
+pub fn foo_u32(a: &mut u32, b: u32) -> bool {
+    foo(a, b)
+}
+
+// CHECK-LABEL: @foo_box
+// CHECK: store ptr
+// CHECK-NEXT: ret i1 true
+#[no_mangle]
+pub fn foo_box(a: &mut Box<u32>, b: Box<u32>) -> bool {
+    foo(a, b)
+}