test/spec/threads/nested.wast

(module $Mem
  (memory (export "shared") 1 1 shared)
)

(register "mem" $Mem)

(thread $T1 (shared (module $Mem))
  (register "mem" $Mem)
  (module
    (memory (import "mem" "shared") 1 1 shared)
    (func (export "run")
      (local i32)
      (i32.store (i32.const 0) (i32.load (i32.const 20)))
      (i32.load (i32.const 4))
      (local.set 0)

      (i32.store (i32.const 24) (local.get 0))
    )
  )

  (thread $T11 (shared (module $Mem))
    (register "mem" $Mem)
    (module
      (memory (import "mem" "shared") 1 1 shared)
      (func (export "run_inner")
        (i32.store (i32.const 20) (i32.const 42))
      )
    )
    (invoke "run_inner")
  )

  (wait $T11)
  (invoke "run")
)

(thread $T2 (shared (module $Mem))
  (register "mem" $Mem)
  (module
    (memory (import "mem" "shared") 1 1 shared)
    (func (export "run")
      (local i32)
      (i32.store (i32.const 4) (i32.const 1))
      (i32.load (i32.const 0))
      (local.set 0)

      (i32.store (i32.const 32) (local.get 0))
    )
  )

  (invoke "run")
)

(wait $T1)
(wait $T2)