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-rw-r--r--tests/ui/closures/2229_closure_analysis/match/issue-87097.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/match/issue-87097.rs b/tests/ui/closures/2229_closure_analysis/match/issue-87097.rs
new file mode 100644
index 000000000..815fc0a71
--- /dev/null
+++ b/tests/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();
+}