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, 30 insertions, 0 deletions

diff --git a/src/test/ui/borrowck/issue-46095.rs b/src/test/ui/borrowck/issue-46095.rs
new file mode 100644
index 000000000..59ddb60c9
--- /dev/null
+++ b/src/test/ui/borrowck/issue-46095.rs
@@ -0,0 +1,30 @@
+// run-pass
+struct A;
+
+impl A {
+    fn take_mutably(&mut self) {}
+}
+
+fn identity<T>(t: T) -> T {
+    t
+}
+
+// Issue 46095
+// Built-in indexing should be used even when the index is not
+// trivially an integer
+// Overloaded indexing would cause wrapped to be borrowed mutably
+
+fn main() {
+    let mut a1 = A;
+    let mut a2 = A;
+
+    let wrapped = [&mut a1, &mut a2];
+
+    {
+        wrapped[0 + 1 - 1].take_mutably();
+    }
+
+    {
+        wrapped[identity(0)].take_mutably();
+    }
+}