Rename generator folder

tests/ui/coroutine/yield-in-initializer.rs

@@ -0,0 +1,17 @@
+// run-pass
+
+#![feature(coroutines)]
+
+fn main() {
+    static || { //~ WARN unused coroutine 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;
+        }
+    };
+}