test/passes/remove-unused-names_vacuum.txt

(module
 (type $0 (func (result i32)))
 (memory $0 0)
 (func $return-i32-but-body-is-unreachable3 (type $0) (result i32)
  (local $label i32)
  (unreachable)
 )
 (func $return-i32-but-body-is-unreachable4 (type $0) (result i32)
  (local $label i32)
  (unreachable)
  (i32.const 0)
 )
)