Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 39 insertions, 0 deletions

diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.rs b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.rs
new file mode 100644
index 000000000..ed30d86cb
--- /dev/null
+++ b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.rs
@@ -0,0 +1,39 @@
+// Check projection of an associated type out of a higher-ranked trait-bound
+// in the context of a struct definition.
+
+pub trait Foo<T> {
+    type A;
+
+    fn get(&self, t: T) -> Self::A;
+}
+
+struct SomeStruct<I: for<'x> Foo<&'x isize>> {
+    field: I::A
+    //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters
+}
+
+enum SomeEnum<'b, I: for<'a> Foo<&'a isize>> {
+    TupleVariant(I::A),
+    //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters
+    StructVariant { field: I::A },
+    //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters
+    OkVariant(&'b usize),
+}
+
+// FIXME(eddyb) This one doesn't even compile because of the unsupported syntax.
+
+// struct AnotherStruct<I : for<'x> Foo<&'x isize>> {
+//     field: <I as for<'y> Foo<&'y isize>>::A
+// }
+
+struct YetAnotherStruct<'a, I: for<'x> Foo<&'x isize>> {
+    field: <I as Foo<&'a isize>>::A,
+}
+
+struct Why<'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, 'n, 'o, 'p, 'q, 'r, 's, 't, 'u, 'v, 'w, 'x,
+    'y, 'z, 'aa, I: for<'l, 'm> Foo<&'l &'m isize>> {
+    field: I::A,
+    //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters
+}
+
+pub fn main() {}