remove-unused-brs_precompute_vacuum_remove-unused-brs.txt

(module
 (type $i32_=>_f64 (func (param i32) (result f64)))
 (global $global$3 (mut f64) (f64.const 0))
 (func $1 (param $x i32) (result f64)
  (local $var$0 f64)
  (block $label$0 (result f64)
   (local.set $var$0
    (f64.const 0)
   )
   (f64.const -3.4)
  )
 )
)