From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/generator/not-send-sync.stderr | 44 ++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/test/ui/generator/not-send-sync.stderr

(limited to 'src/test/ui/generator/not-send-sync.stderr')

diff --git a/src/test/ui/generator/not-send-sync.stderr b/src/test/ui/generator/not-send-sync.stderr
new file mode 100644
index 000000000..0b31bb4fd
--- /dev/null
+++ b/src/test/ui/generator/not-send-sync.stderr
@@ -0,0 +1,44 @@
+error[E0277]: `Cell<i32>` cannot be shared between threads safely
+  --> $DIR/not-send-sync.rs:16:5
+   |
+LL |     assert_send(|| {
+   |     ^^^^^^^^^^^ `Cell<i32>` cannot be shared between threads safely
+   |
+   = help: the trait `Sync` is not implemented for `Cell<i32>`
+   = note: required because of the requirements on the impl of `Send` for `&Cell<i32>`
+note: required because it's used within this generator
+  --> $DIR/not-send-sync.rs:16:17
+   |
+LL |     assert_send(|| {
+   |                 ^^
+note: required by a bound in `assert_send`
+  --> $DIR/not-send-sync.rs:7:23
+   |
+LL |     fn assert_send<T: Send>(_: T) {}
+   |                       ^^^^ required by this bound in `assert_send`
+
+error: generator cannot be shared between threads safely
+  --> $DIR/not-send-sync.rs:9:5
+   |
+LL |     assert_sync(|| {
+   |     ^^^^^^^^^^^ generator is not `Sync`
+   |
+   = help: within `[generator@$DIR/not-send-sync.rs:9:17: 9:19]`, the trait `Sync` is not implemented for `Cell<i32>`
+note: generator is not `Sync` as this value is used across a yield
+  --> $DIR/not-send-sync.rs:12:9
+   |
+LL |         let a = Cell::new(2);
+   |             - has type `Cell<i32>` which is not `Sync`
+LL |         yield;
+   |         ^^^^^ yield occurs here, with `a` maybe used later
+LL |     });
+   |     - `a` is later dropped here
+note: required by a bound in `assert_sync`
+  --> $DIR/not-send-sync.rs:6:23
+   |
+LL |     fn assert_sync<T: Sync>(_: T) {}
+   |                       ^^^^ required by this bound in `assert_sync`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
-- 
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