From 37fa92552586a9f91fefd92518b66dfde4c64771 Mon Sep 17 00:00:00 2001
From: Dylan MacKenzie <ecstaticmorse@gmail.com>
Date: Wed, 1 Dec 2021 10:04:21 -0800
Subject: [PATCH] Add regression test for #90770

---
 src/test/ui/consts/drop_zst.rs     | 17 +++++++++++++++++
 src/test/ui/consts/drop_zst.stderr |  9 +++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 src/test/ui/consts/drop_zst.rs
 create mode 100644 src/test/ui/consts/drop_zst.stderr

diff --git a/src/test/ui/consts/drop_zst.rs b/src/test/ui/consts/drop_zst.rs
new file mode 100644
index 00000000000..f7c70d3978b
--- /dev/null
+++ b/src/test/ui/consts/drop_zst.rs
@@ -0,0 +1,17 @@
+// check-fail
+
+#![feature(const_precise_live_drops)]
+
+struct S;
+
+impl Drop for S {
+    fn drop(&mut self) {
+        println!("Hello!");
+    }
+}
+
+const fn foo() {
+    let s = S; //~ destructor
+}
+
+fn main() {}
diff --git a/src/test/ui/consts/drop_zst.stderr b/src/test/ui/consts/drop_zst.stderr
new file mode 100644
index 00000000000..d4be5aa56d9
--- /dev/null
+++ b/src/test/ui/consts/drop_zst.stderr
@@ -0,0 +1,9 @@
+error[E0493]: destructors cannot be evaluated at compile-time
+  --> $DIR/drop_zst.rs:14:9
+   |
+LL |     let s = S;
+   |         ^ constant functions cannot evaluate destructors
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0493`.