1 files changed, 50 insertions, 0 deletions
diff --git a/tests/debuginfo/opt/dead_refs.rs b/tests/debuginfo/opt/dead_refs.rs
new file mode 100644
index 00000000000..61e74157334
--- /dev/null
+++ b/tests/debuginfo/opt/dead_refs.rs
@@ -0,0 +1,50 @@
+//@ min-lldb-version: 1800
+//@ min-gdb-version: 13.0
+//@ compile-flags: -g -Copt-level=3
+//@ disable-gdb-pretty-printers
+
+// Checks that we still can access dead variables from debuginfos.
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:run
+// gdb-command:print *ref_v0
+// gdb-check:$1 = 0
+
+// gdb-command:print *ref_v1
+// gdb-check:$2 = 1
+
+// gdb-command:print *ref_v2
+// gdb-check:$3 = 2
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+// lldb-command:v *ref_v0
+// lldb-check:[...] 0
+
+// lldb-command:v *ref_v1
+// lldb-check:[...] 1
+
+// lldb-command:v *ref_v2
+// lldb-check:[...] 2
+
+#![allow(unused_variables)]
+
+use std::hint::black_box;
+
+pub struct Foo(i32, i64, i32);
+
+#[inline(never)]
+#[no_mangle]
+fn test_ref(ref_foo: &Foo) -> i32 {
+    let ref_v0 = &ref_foo.0;
+    let ref_v1 = &ref_foo.1;
+    let ref_v2 = &ref_foo.2;
+    ref_foo.0 // #break
+}
+
+fn main() {
+    let foo = black_box(Foo(0, 1, 2));
+    black_box(test_ref(&foo));
+}