;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; Verify stacky non-nullable tuples binary can be parsed correctly. The wasm
;; contains code that uses pops to get a tuple and store it in a local, then
;; reads those values. The file contains this:
;;
;; (module
;;  (type $A (struct (field (mut i32))))
;;  (type $B (struct (field (mut i32)) (field (mut i32))))
;;  (tag $tag$0 (param (ref $A) (ref $B)))
;;  (func $foo
;;   (local $temp ((ref null $A) (ref null $B)))
;;   (try $label$3
;;    (do
;;     (nop)
;;    )
;;    (catch $tag$0
;;     (local.set $temp
;;      (pop (ref $A) (ref $B))
;;     )
;;     (drop
;;      (ref.as_non_null
;;       (tuple.extract 0
;;        (local.get $temp)
;;       )
;;      )
;;     )
;;     (drop
;;      (ref.as_non_null
;;       (tuple.extract 1
;;        (local.get $temp)
;;       )
;;      )
;;     )
;;     (unreachable)
;;    )
;;   )
;;  )
;; )

;; RUN: wasm-opt -all %s.wasm -all -S -o - | filecheck %s

;; CHECK:      (type $0 (struct (field (mut i32))))

;; CHECK:      (type $1 (struct (field (mut i32)) (field (mut i32))))

;; CHECK:      (type $2 (func (param (ref null $0) (ref null $1))))

;; CHECK:      (type $3 (func))

;; CHECK:      (tag $tag$0 (type $2) (param (ref null $0) (ref null $1)))

;; CHECK:      (func $0 (type $3)
;; CHECK-NEXT:  (local $0 (ref null $0))
;; CHECK-NEXT:  (local $1 (ref null $1))
;; CHECK-NEXT:  (local $2 (ref null $1))
;; CHECK-NEXT:  (local $scratch (tuple (ref null $0) (ref null $1)))
;; CHECK-NEXT:  (local $scratch_4 (ref null $0))
;; CHECK-NEXT:  (local $scratch_5 (ref null $0))
;; CHECK-NEXT:  (local $scratch_6 (ref null $0))
;; CHECK-NEXT:  (try
;; CHECK-NEXT:   (do
;; CHECK-NEXT:    (nop)
;; CHECK-NEXT:   )
;; CHECK-NEXT:   (catch $tag$0
;; CHECK-NEXT:    (local.set $0
;; CHECK-NEXT:     (block (result (ref null $0))
;; CHECK-NEXT:      (local.set $scratch_4
;; CHECK-NEXT:       (tuple.extract 2 0
;; CHECK-NEXT:        (local.tee $scratch
;; CHECK-NEXT:         (pop (tuple (ref null $0) (ref null $1)))
;; CHECK-NEXT:        )
;; CHECK-NEXT:       )
;; CHECK-NEXT:      )
;; CHECK-NEXT:      (local.set $1
;; CHECK-NEXT:       (tuple.extract 2 1
;; CHECK-NEXT:        (local.get $scratch)
;; CHECK-NEXT:       )
;; CHECK-NEXT:      )
;; CHECK-NEXT:      (local.get $scratch_4)
;; CHECK-NEXT:     )
;; CHECK-NEXT:    )
;; CHECK-NEXT:    (drop
;; CHECK-NEXT:     (ref.as_non_null
;; CHECK-NEXT:      (block (result (ref null $0))
;; CHECK-NEXT:       (local.set $scratch_5
;; CHECK-NEXT:        (local.get $0)
;; CHECK-NEXT:       )
;; CHECK-NEXT:       (drop
;; CHECK-NEXT:        (local.get $1)
;; CHECK-NEXT:       )
;; CHECK-NEXT:       (local.get $scratch_5)
;; CHECK-NEXT:      )
;; CHECK-NEXT:     )
;; CHECK-NEXT:    )
;; CHECK-NEXT:    (drop
;; CHECK-NEXT:     (block (result (ref null $0))
;; CHECK-NEXT:      (local.set $scratch_6
;; CHECK-NEXT:       (local.get $0)
;; CHECK-NEXT:      )
;; CHECK-NEXT:      (local.set $2
;; CHECK-NEXT:       (local.get $1)
;; CHECK-NEXT:      )
;; CHECK-NEXT:      (local.get $scratch_6)
;; CHECK-NEXT:     )
;; CHECK-NEXT:    )
;; CHECK-NEXT:    (drop
;; CHECK-NEXT:     (ref.as_non_null
;; CHECK-NEXT:      (local.get $2)
;; CHECK-NEXT:     )
;; CHECK-NEXT:    )
;; CHECK-NEXT:    (unreachable)
;; CHECK-NEXT:   )
;; CHECK-NEXT:  )
;; CHECK-NEXT: )