diff --git a/src/test/compile-fail/alt-pattern-field-mismatch-2.rs b/src/test/compile-fail/alt-pattern-field-mismatch-2.rs
new file mode 100644
index 00000000000..75e0763e4a6
--- /dev/null
+++ b/src/test/compile-fail/alt-pattern-field-mismatch-2.rs
@@ -0,0 +1,16 @@
+fn main() {
+    enum color {
+        rgb(uint, uint, uint),
+        cmyk(uint, uint, uint, uint),
+        no_color,
+    }
+
+    fn foo(c: color) {
+        alt c {
+          rgb(_, _, _) { }
+          cmyk(_, _, _, _) { }
+          no_color(_) { }
+          //!^ ERROR this pattern has 1 field, but the corresponding variant has no fields
+        }
+    }
+}
diff --git a/src/test/compile-fail/alt-pattern-field-mismatch.rs b/src/test/compile-fail/alt-pattern-field-mismatch.rs
new file mode 100644
index 00000000000..086267a85b3
--- /dev/null
+++ b/src/test/compile-fail/alt-pattern-field-mismatch.rs
@@ -0,0 +1,16 @@
+fn main() {
+    enum color {
+        rgb(uint, uint, uint),
+        cmyk(uint, uint, uint, uint),
+        no_color,
+    }
+
+    fn foo(c: color) {
+        alt c {
+          rgb(_, _) { }
+          //!^ ERROR this pattern has 2 fields, but the corresponding variant has 3 fields
+          cmyk(_, _, _, _) { }
+          no_color { }
+        }
+    }
+}