Merging upstream version 1.69.0+dfsg1.

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

9 files changed, 106 insertions, 7 deletions

diff --git a/tests/ui/traits/alias/ambiguous.stderr b/tests/ui/traits/alias/ambiguous.stderr
index 0fe1a7967..203bdc526 100644
--- a/tests/ui/traits/alias/ambiguous.stderr
+++ b/tests/ui/traits/alias/ambiguous.stderr
@@ -14,11 +14,11 @@ note: candidate #2 is defined in an impl of the trait `B` for the type `u8`
    |
 LL |         fn foo(&self) {}
    |         ^^^^^^^^^^^^^
-help: disambiguate the associated function for candidate #1
+help: disambiguate the method for candidate #1
    |
 LL |     A::foo(&t);
    |     ~~~~~~~~~~
-help: disambiguate the associated function for candidate #2
+help: disambiguate the method for candidate #2
    |
 LL |     B::foo(&t);
    |     ~~~~~~~~~~
diff --git a/tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs b/tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs
new file mode 100644
index 000000000..9b41a8096
--- /dev/null
+++ b/tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs
@@ -0,0 +1,21 @@
+// Regression test for #107747: methods from trait alias supertraits were brought into scope
+//
+// check-pass
+
+#![feature(trait_alias)]
+
+use std::fmt;
+
+trait Foo: fmt::Debug {}
+trait Bar = Foo;
+
+#[derive(Debug)]
+struct Qux(bool);
+
+impl fmt::Display for Qux {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/traits/alias/issue-108072-unmet-trait-alias-bound.rs b/tests/ui/traits/alias/issue-108072-unmet-trait-alias-bound.rs
new file mode 100644
index 000000000..d254c0ae3
--- /dev/null
+++ b/tests/ui/traits/alias/issue-108072-unmet-trait-alias-bound.rs
@@ -0,0 +1,11 @@
+// Regression test for #108072: do not ICE upon unmet trait alias constraint
+
+#![feature(trait_alias)]
+
+trait IteratorAlias = Iterator;
+
+fn f(_: impl IteratorAlias) {}
+
+fn main() {
+    f(()) //~ `()` is not an iterator
+}
diff --git a/tests/ui/traits/alias/issue-108072-unmet-trait-alias-bound.stderr b/tests/ui/traits/alias/issue-108072-unmet-trait-alias-bound.stderr
new file mode 100644
index 000000000..39f974f96
--- /dev/null
+++ b/tests/ui/traits/alias/issue-108072-unmet-trait-alias-bound.stderr
@@ -0,0 +1,19 @@
+error[E0277]: `()` is not an iterator
+  --> $DIR/issue-108072-unmet-trait-alias-bound.rs:10:7
+   |
+LL |     f(())
+   |     - ^^ `()` is not an iterator
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = help: the trait `Iterator` is not implemented for `()`
+   = note: required for `()` to implement `IteratorAlias`
+note: required by a bound in `f`
+  --> $DIR/issue-108072-unmet-trait-alias-bound.rs:7:14
+   |
+LL | fn f(_: impl IteratorAlias) {}
+   |              ^^^^^^^^^^^^^ required by this bound in `f`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/traits/alias/issue-108132-unmet-trait-alias-bound-on-generic-impl.rs b/tests/ui/traits/alias/issue-108132-unmet-trait-alias-bound-on-generic-impl.rs
new file mode 100644
index 000000000..0b1f9ab57
--- /dev/null
+++ b/tests/ui/traits/alias/issue-108132-unmet-trait-alias-bound-on-generic-impl.rs
@@ -0,0 +1,15 @@
+// Regression test for #108132: do not ICE upon unmet trait alias constraint in generic impl
+
+#![feature(trait_alias)]
+
+trait IteratorAlias = Iterator;
+
+struct Foo<I>(I);
+
+impl<I: IteratorAlias> Foo<I> {
+    fn f() {}
+}
+
+fn main() {
+    Foo::<()>::f() //~ trait bounds were not satisfied
+}
diff --git a/tests/ui/traits/alias/issue-108132-unmet-trait-alias-bound-on-generic-impl.stderr b/tests/ui/traits/alias/issue-108132-unmet-trait-alias-bound-on-generic-impl.stderr
new file mode 100644
index 000000000..f1b259d5a
--- /dev/null
+++ b/tests/ui/traits/alias/issue-108132-unmet-trait-alias-bound-on-generic-impl.stderr
@@ -0,0 +1,25 @@
+error[E0599]: the function or associated item `f` exists for struct `Foo<()>`, but its trait bounds were not satisfied
+  --> $DIR/issue-108132-unmet-trait-alias-bound-on-generic-impl.rs:14:16
+   |
+LL | struct Foo<I>(I);
+   | ------------- function or associated item `f` not found for this struct
+...
+LL |     Foo::<()>::f()
+   |                ^ function or associated item cannot be called on `Foo<()>` due to unsatisfied trait bounds
+   |
+note: trait bound `(): Iterator` was not satisfied
+  --> $DIR/issue-108132-unmet-trait-alias-bound-on-generic-impl.rs:5:23
+   |
+LL | trait IteratorAlias = Iterator;
+   |       -------------   ^^^^^^^^ unsatisfied trait bound introduced here
+note: trait bound `(): IteratorAlias` was not satisfied
+  --> $DIR/issue-108132-unmet-trait-alias-bound-on-generic-impl.rs:9:9
+   |
+LL | impl<I: IteratorAlias> Foo<I> {
+   |         ^^^^^^^^^^^^^  ------
+   |         |
+   |         unsatisfied trait bound introduced here
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0599`.
diff --git a/tests/ui/traits/alias/issue-60755.rs b/tests/ui/traits/alias/issue-60755.rs
new file mode 100644
index 000000000..6b955a752
--- /dev/null
+++ b/tests/ui/traits/alias/issue-60755.rs
@@ -0,0 +1,12 @@
+// check-pass
+
+#![feature(trait_alias)]
+
+struct MyStruct {}
+trait MyFn = Fn(&MyStruct);
+
+fn foo(_: impl MyFn) {}
+
+fn main() {
+    foo(|_| {});
+}
diff --git a/tests/ui/traits/alias/self-in-generics.rs b/tests/ui/traits/alias/self-in-generics.rs
index 0bb6335f9..dcb33b7a9 100644
--- a/tests/ui/traits/alias/self-in-generics.rs
+++ b/tests/ui/traits/alias/self-in-generics.rs
@@ -1,9 +1,5 @@
 // astconv uses `FreshTy(0)` as a dummy `Self` type when instanciating trait objects.
 // This `FreshTy(0)` can leak into substs, causing ICEs in several places.
-// Using `save-analysis` triggers type-checking `f` that would be normally skipped
-// as `type_of` emitted an error.
-//
-// compile-flags: -Zsave-analysis
 
 #![feature(trait_alias)]
 
diff --git a/tests/ui/traits/alias/self-in-generics.stderr b/tests/ui/traits/alias/self-in-generics.stderr
index 110d60e6e..80af4e5aa 100644
--- a/tests/ui/traits/alias/self-in-generics.stderr
+++ b/tests/ui/traits/alias/self-in-generics.stderr
@@ -1,5 +1,5 @@
 error[E0038]: the trait alias `SelfInput` cannot be made into an object
-  --> $DIR/self-in-generics.rs:12:19
+  --> $DIR/self-in-generics.rs:8:19
    |
 LL | pub fn f(_f: &dyn SelfInput) {}
    |                   ^^^^^^^^^