Unload macro does not clean (enough) the symbols.

root [0] .L macro1.C

root [1] macro()

version 1

(int) 1

root [2] .U macro1.C

root [3] .L macro2.C

root [4] macro()

version 1

(int) 1

root [0] .L macro1.C

root [1] macro()

version 1

(int) 1

root [2] .U macro1.C

root [3] macro()

input_line_15:2:3: error: use of undeclared identifier 'macro'

 (macro())

  ^

root [4] .rawInput

Using raw input

root [5] int macro();

root [6] .rawInput

Not using raw input

root [7] macro()

version 1

(int) 1