
void main()
main: scope:[main]  from
  [0] *main::sc#0 = *(main::bs+1)
  [1] if(*main::pos=='m') goto main::@1
  to:main::@2
main::@2: scope:[main]  from main
  [2] *main::BG_COLOR = 2
  to:main::@return
main::@return: scope:[main]  from main::@1 main::@2
  [3] return 
  to:@return
main::@1: scope:[main]  from main
  [4] *main::BG_COLOR = 5
  to:main::@return
