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-rw-r--r--src/test/ui/issues/issue-21291.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-21291.rs b/src/test/ui/issues/issue-21291.rs
new file mode 100644
index 000000000..b351e22d8
--- /dev/null
+++ b/src/test/ui/issues/issue-21291.rs
@@ -0,0 +1,10 @@
+// run-pass
+// ignore-emscripten no threads support
+
+// Regression test for unwrapping the result of `join`, issue #21291
+
+use std::thread;
+
+fn main() {
+ thread::spawn(|| {}).join().unwrap()
+}