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, 35 insertions, 0 deletions

diff --git a/src/test/ui/closures/2229_closure_analysis/match/issue-87097.rs b/src/test/ui/closures/2229_closure_analysis/match/issue-87097.rs
new file mode 100644
index 000000000..815fc0a71
--- /dev/null
+++ b/src/test/ui/closures/2229_closure_analysis/match/issue-87097.rs
@@ -0,0 +1,35 @@
+// run-pass
+// edition:2021
+
+enum Variant {
+    A,
+    B, //~ WARNING: variant `B` is never constructed
+}
+
+struct A {
+    field: Variant,
+}
+
+fn discriminant_is_a_ref() {
+    let here = A { field: Variant::A };
+    let out_ref = &here.field;
+
+    || match out_ref { //~ WARNING: unused closure that must be used
+        Variant::A => (),
+        Variant::B => (),
+    };
+}
+
+fn discriminant_is_a_field() {
+    let here = A { field: Variant::A };
+
+    || match here.field { //~ WARNING: unused closure that must be used
+        Variant::A => (),
+        Variant::B => (),
+    };
+}
+
+fn main() {
+    discriminant_is_a_ref();
+    discriminant_is_a_field();
+}