test/passes/code-folding.txt

(module
 (type $13 (func (param f32)))
 (type $1 (func))
 (type $2 (func (result f32)))
 (table 282 282 anyfunc)
 (memory $0 1 1)
 (func $0 (type $1)
  (block $label$1
   (if
    (i32.const 1)
    (block
     (block $label$3
      (call_indirect $13
       (block $label$4
        (br $label$3)
       )
       (i32.const 105)
      )
     )
     (nop)
    )
   )
  )
 )
 (func $negative-zero (type $2) (result f32)
  (if (result f32)
   (i32.const 0)
   (block $label$0 (result f32)
    (f32.const 0)
   )
   (block $label$1 (result f32)
    (f32.const -0)
   )
  )
 )
 (func $negative-zero-b (type $2) (result f32)
  (drop
   (i32.const 0)
  )
  (block $label$0 (result f32)
   (f32.const -0)
  )
 )
 (func $negative-zero-c (type $2) (result f32)
  (drop
   (i32.const 0)
  )
  (block $label$0 (result f32)
   (f32.const 0)
  )
 )
)