1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/asm/x86_64/may_unwind.rs b/src/test/ui/asm/x86_64/may_unwind.rs
new file mode 100644
index 000000000..9844d63f0
--- /dev/null
+++ b/src/test/ui/asm/x86_64/may_unwind.rs
@@ -0,0 +1,38 @@
+// min-llvm-version: 13.0.0
+// only-x86_64
+// run-pass
+// needs-asm-support
+
+#![feature(asm_sym, asm_unwind)]
+
+use std::arch::asm;
+use std::panic::{catch_unwind, resume_unwind, AssertUnwindSafe};
+
+struct Foo<'a>(&'a mut bool);
+
+impl Drop for Foo<'_> {
+    fn drop(&mut self) {
+        *self.0 = false;
+    }
+}
+
+extern "C" fn panicky() {
+    resume_unwind(Box::new(()));
+}
+
+fn main() {
+    let flag = &mut true;
+    catch_unwind(AssertUnwindSafe(|| {
+        let _foo = Foo(flag);
+        unsafe {
+            asm!(
+                "call {}",
+                sym panicky,
+                clobber_abi("C"),
+                options(may_unwind)
+            );
+        }
+    }))
+    .expect_err("expected a panic");
+    assert_eq!(*flag, false);
+}