Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/ui/generator/nested_generators.rs b/tests/ui/generator/nested_generators.rs
new file mode 100644
index 000000000..45519150e
--- /dev/null
+++ b/tests/ui/generator/nested_generators.rs
@@ -0,0 +1,21 @@
+// run-pass
+
+#![feature(generators, generator_trait)]
+
+use std::ops::{Generator, GeneratorState};
+use std::pin::Pin;
+
+fn main() {
+    let _generator = || {
+        let mut sub_generator = || {
+            yield 2;
+        };
+
+        match Pin::new(&mut sub_generator).resume(()) {
+            GeneratorState::Yielded(x) => {
+                yield x;
+            }
+            _ => panic!(),
+        };
+    };
+}