FILE /calls.kt
  FUN public fun foo(x: kotlin.Int, y: kotlin.Int): kotlin.Int
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='foo(Int, Int): Int'
        GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
  FUN public fun bar(x: kotlin.Int): kotlin.Int
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='bar(Int): Int'
        CALL 'foo(Int, Int): Int' type=kotlin.Int origin=null
          x: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
          y: CONST Int type=kotlin.Int value='1'
  FUN public fun qux(x: kotlin.Int): kotlin.Int
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='qux(Int): Int'
        CALL 'foo(Int, Int): Int' type=kotlin.Int origin=null
          x: CALL 'foo(Int, Int): Int' type=kotlin.Int origin=null
            x: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
            y: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
          y: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
  FUN public fun kotlin.Int.ext1(): kotlin.Int
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='ext1() on Int: Int'
        $RECEIVER of 'ext1() on Int: Int' type=kotlin.Int
  FUN public fun kotlin.Int.ext2(x: kotlin.Int): kotlin.Int
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='ext2(Int) on Int: Int'
        CALL 'foo(Int, Int): Int' type=kotlin.Int origin=null
          x: $RECEIVER of 'ext2(Int) on Int: Int' type=kotlin.Int
          y: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
  FUN public fun kotlin.Int.ext3(x: kotlin.Int): kotlin.Int
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='ext3(Int) on Int: Int'
        CALL 'foo(Int, Int): Int' type=kotlin.Int origin=null
          x: CALL 'ext1() on Int: Int' type=kotlin.Int origin=null
            $receiver: $RECEIVER of 'ext3(Int) on Int: Int' type=kotlin.Int
          y: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
