         }
         if case let _ = "str" {}  
       }
-      """#,
-      diagnostics: [
-        // TODO: Old parser expected warning on line 3: 'let' pattern has no effect; sub-pattern didn't bind any variables, Fix-It replacements: 8 - 12 = ''
-        // TODO: Old parser expected warning on line 9: 'let' pattern has no effect; sub-pattern didn't bind any variables, Fix-It replacements: 8 - 12 = ''
-        // TODO: Old parser expected warning on line 14: 'let' pattern has no effect; sub-pattern didn't bind any variables, Fix-It replacements: 11 - 15 = ''
-      ]
+      """#
     )
   }
 

    AssertParse(
      """
      let _ = 1
      """,
      diagnostics: [
        // TODO: Old parser expected error on line 1: global variable declaration does not bind any variables
      ]
    )
  }


      class C_53293 {
        static var _: Int { 0 } 
      }
      """
    )
  }

