Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr b/tests/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr
new file mode 100644
index 000000000..7bd50649d
--- /dev/null
+++ b/tests/ui/coherence/coherence-inherited-assoc-ty-cycle-err.stderr
@@ -0,0 +1,26 @@
+warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/coherence-inherited-assoc-ty-cycle-err.rs:6:12
+   |
+LL | #![feature(specialization)]
+   |            ^^^^^^^^^^^^^^
+   |
+   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
+   = help: consider using `min_specialization` instead, which is more stable and complete
+   = note: `#[warn(incomplete_features)]` on by default
+
+error[E0391]: cycle detected when building specialization graph of trait `Trait`
+  --> $DIR/coherence-inherited-assoc-ty-cycle-err.rs:9:1
+   |
+LL | trait Trait<T> { type Assoc; }
+   | ^^^^^^^^^^^^^^
+   |
+   = note: ...which immediately requires building specialization graph of trait `Trait` again
+note: cycle used when coherence checking all impls of trait `Trait`
+  --> $DIR/coherence-inherited-assoc-ty-cycle-err.rs:9:1
+   |
+LL | trait Trait<T> { type Assoc; }
+   | ^^^^^^^^^^^^^^
+
+error: aborting due to previous error; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0391`.