(module
 (type $none_=>_none (func))
 (type $i32_=>_i32 (func (param i32) (result i32)))
 (type $none_=>_i32 (func (result i32)))
 (type $ref_null<i32_->_i32>_=>_i32 (func (param (ref null (func (param i32) (result i32)))) (result i32)))
 (type $ref<i32_->_i32>_=>_i32 (func (param (ref (func (param i32) (result i32)))) (result i32)))
 (func $0
  (call_ref
   (ref.func $0)
  )
 )
 (func $1
  (return_call_ref
   (ref.func $0)
  )
 )
 (func $2 (param $0 i32) (result i32)
  (call_ref
   (i32.const 42)
   (ref.func $2)
  )
 )
 (func $3 (param $0 (ref (func (param i32) (result i32)))) (result i32)
  (call_ref
   (i32.const 42)
   (local.get $0)
  )
 )
 (func $4 (param $0 (ref null (func (param i32) (result i32)))) (result i32)
  (call_ref
   (i32.const 42)
   (local.get $0)
  )
 )
 (func $5 (result i32)
  (local $0 (ref null (func (param i32) (result i32))))
  (local.set $0
   (ref.func $2)
  )
  (call_ref
   (i32.const 42)
   (local.get $0)
  )
 )
)