1(module
2  (func (param i32) (result f32)
3    f32.const 0
4    local.get 0
5    f32.load offset=1
6    f32.copysign
7  )
8  (memory 1)
9  (export "f" (func 0))
10)
11
12(assert_return (invoke "f" (i32.const 0)) (f32.const 0))
13