fix(compile-sfc): add symbol judge in prop type checks. (#4594)

fix #4592

packages/compiler-sfc/src/compileScript.ts

@@ -1541,6 +1541,9 @@ function inferRuntimeType(
     case 'TSIntersectionType':
       return ['Object']
 
+    case 'TSSymbolKeyword':
+      return ['Symbol']
+
     default:
       return [`null`] // no runtime check
   }