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, 31 insertions, 0 deletions

diff --git a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
new file mode 100644
index 000000000..c8ded0fa7
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
@@ -0,0 +1,31 @@
+// check-pass
+
+#![feature(const_trait_impl)]
+
+struct S;
+
+impl const PartialEq for S {
+    fn eq(&self, _: &S) -> bool {
+        true
+    }
+    fn ne(&self, other: &S) -> bool {
+        !self.eq(other)
+    }
+}
+
+// This duplicate bound should not result in ambiguities. It should be equivalent to a single ~const
+// bound.
+const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
+    *t == *t
+}
+
+trait A: PartialEq {}
+impl<T: PartialEq> A for T {}
+
+const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool {
+    *t == *t
+}
+
+pub const EQ: bool = equals_self(&S) && equals_self2(&S);
+
+fn main() {}