From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../generator/print/generator-print-verbose-1.rs   | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 tests/ui/generator/print/generator-print-verbose-1.rs

(limited to 'tests/ui/generator/print/generator-print-verbose-1.rs')

diff --git a/tests/ui/generator/print/generator-print-verbose-1.rs b/tests/ui/generator/print/generator-print-verbose-1.rs
new file mode 100644
index 000000000..89124ad72
--- /dev/null
+++ b/tests/ui/generator/print/generator-print-verbose-1.rs
@@ -0,0 +1,60 @@
+// compile-flags: -Zverbose
+
+// Same as: tests/ui/generator/issue-68112.stderr
+
+#![feature(generators, generator_trait)]
+
+use std::{
+    cell::RefCell,
+    sync::Arc,
+    pin::Pin,
+    ops::{Generator, GeneratorState},
+};
+
+pub struct Ready<T>(Option<T>);
+impl<T> Generator<()> for Ready<T> {
+    type Return = T;
+    type Yield = ();
+    fn resume(mut self: Pin<&mut Self>, _args: ()) -> GeneratorState<(), T> {
+        GeneratorState::Complete(self.0.take().unwrap())
+    }
+}
+pub fn make_gen1<T>(t: T) -> Ready<T> {
+    Ready(Some(t))
+}
+
+fn require_send(_: impl Send) {}
+
+fn make_non_send_generator() -> impl Generator<Return = Arc<RefCell<i32>>> {
+    make_gen1(Arc::new(RefCell::new(0)))
+}
+
+fn test1() {
+    let send_gen = || {
+        let _non_send_gen = make_non_send_generator();
+        yield;
+    };
+    require_send(send_gen);
+    //~^ ERROR generator cannot be sent between threads
+}
+
+pub fn make_gen2<T>(t: T) -> impl Generator<Return = T> {
+    || {
+        yield;
+        t
+    }
+}
+fn make_non_send_generator2() -> impl Generator<Return = Arc<RefCell<i32>>> {
+    make_gen2(Arc::new(RefCell::new(0)))
+}
+
+fn test2() {
+    let send_gen = || {
+        let _non_send_gen = make_non_send_generator2();
+        yield;
+    };
+    require_send(send_gen);
+    //~^ ERROR `RefCell<i32>` cannot be shared between threads safely
+}
+
+fn main() {}
-- 
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