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-rw-r--r--tests/ui/generator/yield-in-initializer.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/generator/yield-in-initializer.rs b/tests/ui/generator/yield-in-initializer.rs
new file mode 100644
index 00000000000..0cab36e5f28
--- /dev/null
+++ b/tests/ui/generator/yield-in-initializer.rs
@@ -0,0 +1,17 @@
+// run-pass
+
+#![feature(generators)]
+
+fn main() {
+    static || { //~ WARN unused generator that must be used
+        loop {
+            // Test that `opt` is not live across the yield, even when borrowed in a loop
+            // See https://github.com/rust-lang/rust/issues/52792
+            let opt = {
+                yield;
+                true
+            };
+            let _ = &opt;
+        }
+    };
+}