1 files changed, 74 insertions, 0 deletions
diff --git a/tests/ui/pattern/pat-tuple-overfield.rs b/tests/ui/pattern/pat-tuple-overfield.rs
new file mode 100644
index 00000000000..c863c657514
--- /dev/null
+++ b/tests/ui/pattern/pat-tuple-overfield.rs
@@ -0,0 +1,74 @@
+struct S(u8, u8, u8);
+struct M(
+    u8,
+    u8,
+    u8,
+    u8,
+    u8,
+);
+
+struct Z0;
+struct Z1();
+enum E1 {
+    Z0,
+    Z1(),
+}
+
+fn main() {
+    match (1, 2, 3) {
+        (1, 2, 3, 4) => {} //~ ERROR mismatched types
+        (1, 2, .., 3, 4) => {} //~ ERROR mismatched types
+        _ => {}
+    }
+    match S(1, 2, 3) {
+        S(1, 2, 3, 4) => {}
+        //~^ ERROR this pattern has 4 fields, but the corresponding tuple struct has 3 fields
+        S(1, 2, .., 3, 4) => {}
+        //~^ ERROR this pattern has 4 fields, but the corresponding tuple struct has 3 fields
+        _ => {}
+    }
+    match M(1, 2, 3, 4, 5) {
+        M(1, 2, 3, 4, 5, 6) => {}
+        //~^ ERROR this pattern has 6 fields, but the corresponding tuple struct has 5 fields
+        M(1,
+          2,
+          3,
+          4,
+          5,
+          6) => {}
+        //~^ ERROR this pattern has 6 fields, but the corresponding tuple struct has 5 fields
+        M(
+            1,
+            2,
+            3,
+            4,
+            5,
+            6,
+        ) => {}
+        //~^^ ERROR this pattern has 6 fields, but the corresponding tuple struct has 5 fields
+    }
+    match Z0 {
+        Z0 => {}
+        Z0() => {} //~ ERROR expected tuple struct or tuple variant, found unit struct `Z0`
+        Z0(_) => {} //~ ERROR expected tuple struct or tuple variant, found unit struct `Z0`
+        Z0(_, _) => {} //~ ERROR expected tuple struct or tuple variant, found unit struct `Z0`
+    }
+    match Z1() {
+        Z1 => {} //~ ERROR match bindings cannot shadow tuple structs
+        Z1() => {}
+        Z1(_) => {} //~ ERROR this pattern has 1 field, but the corresponding tuple struct has 0 fields
+        Z1(_, _) => {} //~ ERROR this pattern has 2 fields, but the corresponding tuple struct has 0 fields
+    }
+    match E1::Z0 {
+        E1::Z0 => {}
+        E1::Z0() => {} //~ ERROR expected tuple struct or tuple variant, found unit variant `E1::Z0`
+        E1::Z0(_) => {} //~ ERROR expected tuple struct or tuple variant, found unit variant `E1::Z0`
+        E1::Z0(_, _) => {} //~ ERROR expected tuple struct or tuple variant, found unit variant `E1::Z0`
+    }
+    match E1::Z1() {
+        E1::Z1 => {} //~ ERROR expected unit struct, unit variant or constant, found tuple variant `E1::Z1`
+        E1::Z1() => {}
+        E1::Z1(_) => {} //~ ERROR this pattern has 1 field, but the corresponding tuple variant has 0 fields
+        E1::Z1(_, _) => {} //~ ERROR this pattern has 2 fields, but the corresponding tuple variant has 0 fields
+    }
+}