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-rw-r--r--src/test/ui/async-await/issue-70818.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/test/ui/async-await/issue-70818.rs b/src/test/ui/async-await/issue-70818.rs
new file mode 100644
index 00000000000..b914c9b17ab
--- /dev/null
+++ b/src/test/ui/async-await/issue-70818.rs
@@ -0,0 +1,5 @@
+// edition 2018
+
+fn d<T: Sized>(t: T) -> impl std::future::Future<Output = T> + Send { //~ Error `T` cannot be sent between threads safely
+    async { t }
+}