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>
---
 .../feature-gate-object_safe_for_dispatch.stderr   | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr

(limited to 'src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr')

diff --git a/src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr b/src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr
new file mode 100644
index 000000000..72cb4cc84
--- /dev/null
+++ b/src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr
@@ -0,0 +1,83 @@
+error[E0038]: the trait `NonObjectSafe1` cannot be made into an object
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:18:39
+   |
+LL | fn takes_non_object_safe_ref<T>(obj: &dyn NonObjectSafe1) {
+   |                                       ^^^^^^^^^^^^^^^^^^ `NonObjectSafe1` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:4:23
+   |
+LL | trait NonObjectSafe1: Sized {}
+   |       --------------  ^^^^^ ...because it requires `Self: Sized`
+   |       |
+   |       this trait cannot be made into an object...
+
+error[E0038]: the trait `NonObjectSafe2` cannot be made into an object
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:22:36
+   |
+LL | fn return_non_object_safe_ref() -> &'static dyn NonObjectSafe2 {
+   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `NonObjectSafe2` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:7:8
+   |
+LL | trait NonObjectSafe2 {
+   |       -------------- this trait cannot be made into an object...
+LL |     fn static_fn() {}
+   |        ^^^^^^^^^ ...because associated function `static_fn` has no `self` parameter
+help: consider turning `static_fn` into a method by giving it a `&self` argument
+   |
+LL |     fn static_fn(&self) {}
+   |                  +++++
+help: alternatively, consider constraining `static_fn` so it does not apply to trait objects
+   |
+LL |     fn static_fn() where Self: Sized {}
+   |                    +++++++++++++++++
+
+error[E0038]: the trait `NonObjectSafe3` cannot be made into an object
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:27:39
+   |
+LL | fn takes_non_object_safe_box(obj: Box<dyn NonObjectSafe3>) {
+   |                                       ^^^^^^^^^^^^^^^^^^ `NonObjectSafe3` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:11:8
+   |
+LL | trait NonObjectSafe3 {
+   |       -------------- this trait cannot be made into an object...
+LL |     fn foo<T>(&self);
+   |        ^^^ ...because method `foo` has generic type parameters
+   = help: consider moving `foo` to another trait
+
+error[E0038]: the trait `NonObjectSafe4` cannot be made into an object
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:31:35
+   |
+LL | fn return_non_object_safe_rc() -> std::rc::Rc<dyn NonObjectSafe4> {
+   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `NonObjectSafe4` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:15:22
+   |
+LL | trait NonObjectSafe4 {
+   |       -------------- this trait cannot be made into an object...
+LL |     fn foo(&self, s: &Self);
+   |                      ^^^^^ ...because method `foo` references the `Self` type in this parameter
+   = help: consider moving `foo` to another trait
+
+error[E0038]: the trait `NonObjectSafe1` cannot be made into an object
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:38:16
+   |
+LL | impl Trait for dyn NonObjectSafe1 {}
+   |                ^^^^^^^^^^^^^^^^^^ `NonObjectSafe1` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/feature-gate-object_safe_for_dispatch.rs:4:23
+   |
+LL | trait NonObjectSafe1: Sized {}
+   |       --------------  ^^^^^ ...because it requires `Self: Sized`
+   |       |
+   |       this trait cannot be made into an object...
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0038`.
-- 
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