1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs b/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
new file mode 100644
index 000000000..4d48a5f0a
--- /dev/null
+++ b/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
@@ -0,0 +1,26 @@
+// revisions: cfail1 cfail2
+// build-pass
+
+// rust-lang/rust#69798:
+//
+// This is analgous to cgu_invalidated_when_import_added, but it covers a
+// problem uncovered where a change to the *export* set caused a link failure
+// when reusing post-LTO optimized object code.
+
+pub struct Foo {}
+impl Drop for Foo {
+    fn drop(&mut self) {
+        println!("Dropping Foo");
+    }
+}
+#[no_mangle]
+pub extern "C" fn run() {
+    thread_local! { pub static FOO : Foo = Foo { } ; }
+
+    #[cfg(cfail2)]
+    {
+        FOO.with(|_f| ())
+    }
+}
+
+pub fn main() { run() }