int i=0;

int
main (void)
{
  int i=1;
  return i;
}

   1: AST_TYPE_Atom 0 4  [[typeinfo=0]]
   6: AST_TAG "i" (c[9].s)  [[typeinfo=0]]
  10: AST_Const 11 0  [[typeinfo=0]]
  15: AST_AssignTo [-1] [10]  [[typeinfo=0]]
  20: AST_Declare [6] [1]  [[typeinfo=0]]
  25: AST_SEQ [20] [-1]  [[typeinfo=0]]
  30: AST_TYPE_Atom 0 4  [[typeinfo=0]]
  35: AST_TAG "main" (c[17].s)  [[typeinfo=0]]
  39: AST_Scope [93] -1 1  [[typeinfo=0]]
  45: AST_TYPE_Atom 0 4  [[typeinfo=0]]
  50: AST_TAG "i" (c[29].s)  [[typeinfo=0]]
  54: AST_Const 31 1  [[typeinfo=0]]
  59: AST_AssignTo [-1] [54]  [[typeinfo=0]]
  64: AST_Declare [50] [45]  [[typeinfo=0]]
  69: AST_SEQ [64] [-1]  [[typeinfo=0]]
  74: AST_SEQ [69] [-1]  [[typeinfo=0]]
  79: AST_TAG "i" (c[38].s)  [[typeinfo=0]]
  83: AST_ReturnResult [79] -1  [[typeinfo=0]]
  88: AST_SEQ [74] [83]  [[typeinfo=0]]
  93: AST_SEQ [-1] [88]  [[typeinfo=0]]
  98: AST_DefProc 30 [35] [-1] [39]  [[typeinfo=0]]
 105: AST_SEQ [98] [-1]  [[typeinfo=0]]
 110: AST_SEQ [25] [105]  [[typeinfo=0]]
 115: AST_Scope [110] -1 0  [[typeinfo=0]]
-----------------
-------------
 115: AST_Scope [110] -1 0  [[typeinfo=-1]]
 110: AST_SEQ [25] [105]  [[typeinfo=-1]]
  25: AST_SEQ [20] [-1]  [[typeinfo=-1]]
  20: AST_Declare [6] [1]  [[typeinfo=-1]]
   6: AST_TAG "i"  [[typeinfo=-1]]
   1: AST_TYPE_Atom
 105: AST_SEQ [98] [-1]  [[typeinfo=-1]]
  98: AST_DefProc 30 [35] [-1] [39]  [[typeinfo=-1]]
  35: AST_TAG "main"  [[typeinfo=-1]]
  39: AST_Scope [93] 115 1  [[typeinfo=-1]]
  93: AST_SEQ [-1] [88]  [[typeinfo=-1]]
  88: AST_SEQ [74] [83]  [[typeinfo=-1]]
  74: AST_SEQ [69] [-1]  [[typeinfo=-1]]
  69: AST_SEQ [64] [-1]  [[typeinfo=-1]]
  64: AST_Declare [50] [45]  [[typeinfo=-1]]
  50: AST_TAG "i"  [[typeinfo=-1]]
  45: AST_TYPE_Atom
  83: AST_ReturnResult [79] -1  [[typeinfo=-1]]
  79: AST_TAG "i"  [[typeinfo=-1]]
          PROC     main                                ; AST_DefProc
          PUSH     i                                   ; (implied external?)
          RET      1                                   ; Return a result
          RET      0                                   ; Return by dropping through end of proc