fix enum_variant_names depending lint depending on order

tests/ui/enum_variants.rs

@@ -204,4 +204,21 @@ mod allow_attributes_on_variants {
     }
 }
 
+mod issue11494 {
+    // variant order should not affect lint
+    enum Data {
+        Valid,
+        Invalid,
+        DataDependent,
+        //~^ ERROR: variant name starts with the enum's name
+    }
+
+    enum Datas {
+        DatasDependent,
+        //~^ ERROR: variant name starts with the enum's name
+        Valid,
+        Invalid,
+    }
+}
+
 fn main() {}

tests/ui/enum_variants.stderr

@@ -158,5 +158,17 @@ LL | |     }
    |
    = help: remove the postfixes and use full paths to the variants instead of glob imports
 
-error: aborting due to 14 previous errors
+error: variant name starts with the enum's name
+  --> $DIR/enum_variants.rs:212:9
+   |
+LL |         DataDependent,
+   |         ^^^^^^^^^^^^^
+
+error: variant name starts with the enum's name
+  --> $DIR/enum_variants.rs:217:9
+   |
+LL |         DatasDependent,
+   |         ^^^^^^^^^^^^^^
+
+error: aborting due to 16 previous errors