message: Validate return values in indirect call test.
diff: (module
  (type $binop (func (param i32 i32) (result i32)))
  (table 1 100 anyfunc)
  + (elem (i32.const 5) $sub)
  (elem (i32.const 10) $add)
  - (func $main (export "main") (result i32)
  - (call_indirect (type $binop) (i32.const 42) (i32.const 1) (i32.const 10))
  + (func $main (export "main")
  + (if (i32.eq (call_indirect (type $binop) (i32.const 42) (i32.const 1) (i32.const 10)) (i32.const 43))
  + (then)
  + (else unreachable)
  )
  + (if (i32.eq (call_indirect (type $binop) (i32.const 42) (i32.const 1) (i32.const 5)) (i32.const 41))
  + (then)
  + (else unreachable)
  + )
  + )
  +
  (func $add (param i32) (param i32) (result i32)
  (i32.add (get_local 0) (get_local 1))
  )
  +
  + (func $sub (param i32) (param i32) (result i32)
  + (i32.sub (get_local 0) (get_local 1))
  + )
  )
  