From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/codegen/mir_zst_stores.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 tests/codegen/mir_zst_stores.rs

(limited to 'tests/codegen/mir_zst_stores.rs')

diff --git a/tests/codegen/mir_zst_stores.rs b/tests/codegen/mir_zst_stores.rs
new file mode 100644
index 000000000..17e7ba309
--- /dev/null
+++ b/tests/codegen/mir_zst_stores.rs
@@ -0,0 +1,17 @@
+// compile-flags: -C no-prepopulate-passes
+
+#![crate_type = "lib"]
+use std::marker::PhantomData;
+
+#[derive(Copy, Clone)]
+struct Zst { phantom: PhantomData<Zst> }
+
+// CHECK-LABEL: @mir
+// CHECK-NOT: store{{.*}}undef
+#[no_mangle]
+pub fn mir() {
+    let x = Zst { phantom: PhantomData };
+    let y = (x, 0);
+    drop(y);
+    drop((0, x));
+}
-- 
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