add main function to issue-69017 test

diff --git a/src/test/ui/generator/issue-69017.rs b/src/test/ui/generator/issue-69017.rs
index 7b1d87efc944382113dcd42e9ff81fea343682ba..511deb60e45533b73d72412a98411fdaf2f69d5e 100644 (file)
--- a/src/test/ui/generator/issue-69017.rs
+++ b/src/test/ui/generator/issue-69017.rs
@@ -14,3 +14,5 @@ fn gen() -> impl Generator<usize> {
         println!("-> {}", yield);
     }
 }
+
+fn main() {}