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, 19 insertions, 0 deletions

diff --git a/src/test/ui/rfc-1445-restrict-constants-in-patterns/match-nonempty-array-forbidden-without-eq.rs b/src/test/ui/rfc-1445-restrict-constants-in-patterns/match-nonempty-array-forbidden-without-eq.rs
new file mode 100644
index 000000000..151a475c9
--- /dev/null
+++ b/src/test/ui/rfc-1445-restrict-constants-in-patterns/match-nonempty-array-forbidden-without-eq.rs
@@ -0,0 +1,19 @@
+// Issue 62307 pointed out a case where the structural-match checking
+// was too shallow.
+//
+// Here we check similar behavior for non-empty arrays of types that
+// do not derive `Eq`.
+//
+// (Current behavior for empty arrays differs and thus is not tested
+// here; see rust-lang/rust#62336.)
+
+#[derive(PartialEq, Debug)]
+struct B(i32);
+
+fn main() {
+    const FOO: [B; 1] = [B(0)];
+    match [B(1)] {
+        FOO => { }
+        //~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
+    }
+}