Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 35 insertions, 0 deletions

diff --git a/tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs b/tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs
new file mode 100644
index 000000000..769e3ae68
--- /dev/null
+++ b/tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs
@@ -0,0 +1,35 @@
+// run-pass
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+struct Generic<const K: u64>;
+
+struct ConstU64<const K: u64>;
+
+impl<const K: u64> Generic<K>
+where
+    ConstU64<{ K - 1 }>: ,
+{
+    fn foo(self) -> u64 {
+        K
+    }
+}
+
+impl<const K: u64> Generic<K>
+where
+    ConstU64<{ K - 1 }>: ,
+    ConstU64<{ K + 1 }>: ,
+    ConstU64<{ K + 1 - 1 }>: ,
+{
+    fn bar(self) -> u64 {
+        let x: Generic<{ K + 1 }> = Generic;
+        x.foo()
+    }
+}
+
+fn main() {
+    assert_eq!((Generic::<10>).bar(), 11);
+}
+
+// Test that the ``ConstU64<{ K + 1 - 1}>`` bound on ``bar``'s impl block satisfies the
+// ``ConstU64<{K - 1}>`` bound on ``foo``'s impl block