1 files changed, 56 insertions, 0 deletions
diff --git a/tests/ui/generator/print/generator-print-verbose-2.stderr b/tests/ui/generator/print/generator-print-verbose-2.stderr
new file mode 100644
index 000000000..909e49c38
--- /dev/null
+++ b/tests/ui/generator/print/generator-print-verbose-2.stderr
@@ -0,0 +1,56 @@
+error[E0277]: `Cell<i32>` cannot be shared between threads safely
+  --> $DIR/generator-print-verbose-2.rs:19:17
+   |
+LL |       assert_send(|| {
+   |  _____-----------_^
+   | |     |
+   | |     required by a bound introduced by this call
+LL | |
+LL | |         drop(&a);
+LL | |         yield;
+LL | |     });
+   | |_____^ `Cell<i32>` cannot be shared between threads safely
+   |
+   = help: the trait `Sync` is not implemented for `Cell<i32>`
+   = note: required for `&'_#4r Cell<i32>` to implement `Send`
+note: required because it's used within this generator
+  --> $DIR/generator-print-verbose-2.rs:19:17
+   |
+LL |     assert_send(|| {
+   |                 ^^
+note: required by a bound in `assert_send`
+  --> $DIR/generator-print-verbose-2.rs:10:23
+   |
+LL |     fn assert_send<T: Send>(_: T) {}
+   |                       ^^^^ required by this bound in `assert_send`
+
+error: generator cannot be shared between threads safely
+  --> $DIR/generator-print-verbose-2.rs:12:17
+   |
+LL |       assert_sync(|| {
+   |  _________________^
+LL | |
+LL | |         let a = Cell::new(2);
+LL | |         yield;
+LL | |     });
+   | |_____^ generator is not `Sync`
+   |
+   = help: within `[main::{closure#0} upvar_tys=() {Cell<i32>, ()}]`, the trait `Sync` is not implemented for `Cell<i32>`
+note: generator is not `Sync` as this value is used across a yield
+  --> $DIR/generator-print-verbose-2.rs:15:9
+   |
+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/generator-print-verbose-2.rs:9:23
+   |
+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`.