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>
---
 .../expected-boxed-future-isnt-pinned.stderr       | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr

(limited to 'src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr')

diff --git a/src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr b/src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr
new file mode 100644
index 000000000..71facf57e
--- /dev/null
+++ b/src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr
@@ -0,0 +1,101 @@
+error[E0308]: mismatched types
+  --> $DIR/expected-boxed-future-isnt-pinned.rs:11:5
+   |
+LL | fn foo<F: Future<Output=i32> + Send + 'static>(x: F) -> BoxFuture<'static, i32> {
+   |        - this type parameter                            ----------------------- expected `Pin<Box<(dyn Future<Output = i32> + Send + 'static)>>` because of return type
+LL |     // We could instead use an `async` block, but this way we have no std spans.
+LL |     x
+   |     ^ expected struct `Pin`, found type parameter `F`
+   |
+   = note:      expected struct `Pin<Box<(dyn Future<Output = i32> + Send + 'static)>>`
+           found type parameter `F`
+help: you need to pin and box this expression
+   |
+LL |     Box::pin(x)
+   |     +++++++++ +
+
+error[E0308]: mismatched types
+  --> $DIR/expected-boxed-future-isnt-pinned.rs:15:5
+   |
+LL | fn bar<F: Future<Output=i32> + Send + 'static>(x: F) -> BoxFuture<'static, i32> {
+   |                                                         ----------------------- expected `Pin<Box<(dyn Future<Output = i32> + Send + 'static)>>` because of return type
+LL |     Box::new(x)
+   |     ^^^^^^^^^^^ expected struct `Pin`, found struct `Box`
+   |
+   = note: expected struct `Pin<Box<(dyn Future<Output = i32> + Send + 'static)>>`
+              found struct `Box<F>`
+   = help: use `Box::pin`
+
+error[E0308]: mismatched types
+  --> $DIR/expected-boxed-future-isnt-pinned.rs:19:14
+   |
+LL | fn baz<F: Future<Output=i32> + Send + 'static>(x: F) -> BoxFuture<'static, i32> {
+   |        - this type parameter
+LL |     Pin::new(x)
+   |     -------- ^ expected struct `Box`, found type parameter `F`
+   |     |
+   |     arguments to this function are incorrect
+   |     help: use `Box::pin` to pin and box this expression: `Box::pin`
+   |
+   = note:      expected struct `Box<dyn Future<Output = i32> + Send>`
+           found type parameter `F`
+note: associated function defined here
+  --> $SRC_DIR/core/src/pin.rs:LL:COL
+   |
+LL |     pub const fn new(pointer: P) -> Pin<P> {
+   |                  ^^^
+
+error[E0277]: `dyn Future<Output = i32> + Send` cannot be unpinned
+  --> $DIR/expected-boxed-future-isnt-pinned.rs:19:5
+   |
+LL |     Pin::new(x)
+   |     ^^^^^^^^ the trait `Unpin` is not implemented for `dyn Future<Output = i32> + Send`
+   |
+   = note: consider using `Box::pin`
+note: required by a bound in `Pin::<P>::new`
+  --> $SRC_DIR/core/src/pin.rs:LL:COL
+   |
+LL | impl<P: Deref<Target: Unpin>> Pin<P> {
+   |                       ^^^^^ required by this bound in `Pin::<P>::new`
+
+error[E0277]: `dyn Future<Output = i32> + Send` cannot be unpinned
+  --> $DIR/expected-boxed-future-isnt-pinned.rs:24:5
+   |
+LL |     Pin::new(Box::new(x))
+   |     ^^^^^^^^ the trait `Unpin` is not implemented for `dyn Future<Output = i32> + Send`
+   |
+   = note: consider using `Box::pin`
+note: required by a bound in `Pin::<P>::new`
+  --> $SRC_DIR/core/src/pin.rs:LL:COL
+   |
+LL | impl<P: Deref<Target: Unpin>> Pin<P> {
+   |                       ^^^^^ required by this bound in `Pin::<P>::new`
+
+error[E0308]: mismatched types
+  --> $DIR/expected-boxed-future-isnt-pinned.rs:28:5
+   |
+LL |   fn zap() -> BoxFuture<'static, i32> {
+   |               ----------------------- expected `Pin<Box<(dyn Future<Output = i32> + Send + 'static)>>` because of return type
+LL | /     async {
+LL | |         42
+LL | |     }
+   | |_____^ expected struct `Pin`, found opaque type
+   |
+  ::: $SRC_DIR/core/src/future/mod.rs:LL:COL
+   |
+LL |   pub const fn from_generator<T>(gen: T) -> impl Future<Output = T::Return>
+   |                                             ------------------------------- the found opaque type
+   |
+   = note:   expected struct `Pin<Box<(dyn Future<Output = i32> + Send + 'static)>>`
+           found opaque type `impl Future`
+help: you need to pin and box this expression
+   |
+LL ~     Box::pin(async {
+LL |         42
+LL ~     })
+   |
+
+error: aborting due to 6 previous errors
+
+Some errors have detailed explanations: E0277, E0308.
+For more information about an error, try `rustc --explain E0277`.
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