test/binaryen.js/functions.js.txt

GetFunction is equal: true
getFunctionInfo={"module":"","base":"","params":0,"results":2,"vars":[]}
getExpressionInfo(body)={"id":14,"value":3}
(i32.const 3)

(module
)

(module
 (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
 (func $b-function (param $a i32) (param $b i32) (result i32)
  (local $res i32)
  (local $unused f64)
  (local.tee $res
   (i32.add
    (local.get $a)
    (local.get $b)
   )
  )
 )
)