Fix link error with #[thread_local] introduced by #71192

2 files changed, 20 insertions, 0 deletions

diff --git a/src/librustc_mir/monomorphize/collector.rs b/src/librustc_mir/monomorphize/collector.rs
index 297b899ef0b..e0e9bea5eb2 100644
--- a/src/librustc_mir/monomorphize/collector.rs
+++ b/src/librustc_mir/monomorphize/collector.rs
@@ -586,6 +586,14 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirNeighborCollector<'a, 'tcx> {
                     self.output.push(create_fn_mono_item(instance));
                 }
             }
+            mir::Rvalue::ThreadLocalRef(def_id) => {
+                assert!(self.tcx.is_thread_local_static(def_id));
+                let instance = Instance::mono(self.tcx, def_id);
+                if should_monomorphize_locally(self.tcx, &instance) {
+                    trace!("collecting thread-local static {:?}", def_id);
+                    self.output.push(MonoItem::Static(def_id));
+                }
+            }
             _ => { /* not interesting */ }
         }
 
diff --git a/src/test/ui/tls.rs b/src/test/ui/tls.rs
new file mode 100644
index 00000000000..cfc94c10c9e
--- /dev/null
+++ b/src/test/ui/tls.rs
@@ -0,0 +1,12 @@
+// run-pass
+
+#![feature(thread_local)]
+
+#[thread_local]
+static S: u32 = 222;
+
+fn main() {
+    let local = &S as *const u32 as usize;
+    let foreign = std::thread::spawn(|| &S as *const u32 as usize).join().unwrap();
+    assert_ne!(local, foreign);
+}