(module
 (type $0 (func (result i32)))
 (memory $0 1 1)
 (export "foo" (func $0))
 (func $0 (result i32)
  (i32.atomic.store8
   (i32.const 0)
   (i32.const 99)
  )
  (i32.atomic.load8_u
   (i32.const 0)
  )
 )
)

