0 -> 1 call = (...) => inner("b")("a")

0 -> 2 unreachable = ???*0*
- *0* unreachable
  ⚠️  This value might have side effects

0 -> 3 unreachable = ???*0*
- *0* unreachable
  ⚠️  This value might have side effects

0 -> 4 call = (...) => y(1)

0 -> 5 call = (...) => (a + b)(2)

0 -> 6 conditional = (???*0* === 0)
- *0* unsupported expression
  ⚠️  This value might have side effects

6 -> 7 unreachable = ???*0*
- *0* unreachable
  ⚠️  This value might have side effects

6 -> 8 call = (...) => (undefined | a | (r((a + 1)) + 1))((???*0* + 1))
- *0* arguments[0]
  ⚠️  function calls are not analysed yet

6 -> 9 unreachable = ???*0*
- *0* unreachable
  ⚠️  This value might have side effects

0 -> 10 unreachable = ???*0*
- *0* unreachable
  ⚠️  This value might have side effects

0 -> 11 call = (...) => (undefined | a | (r((a + 1)) + 1))(2)

0 -> 12 call = (...) => (a + b)("b")

0 -> 13 unreachable = ???*0*
- *0* unreachable
  ⚠️  This value might have side effects

0 -> 14 unreachable = ???*0*
- *0* unreachable
  ⚠️  This value might have side effects