Merge DefPathData::VariantCtor and DefPathData::StructCtor

src/librustc_codegen_utils/symbol_names.rs

@@ -522,7 +522,7 @@ fn path_append(
 
         // Skip `::{{constructor}}` on tuple/unit structs.
         match disambiguated_data.data {
-            DefPathData::StructCtor => return Ok(self),
+            DefPathData::Ctor => return Ok(self),
             _ => {}
         }