Specific null pointer.

[Konstantin8105]

Specific null pointer.
Found in shell.c

/* Return the current wall-clock time */
static sqlite3_int64 timeOfDay(void){
  static sqlite3_vfs *clockVfs = 0;
  // .....
  return t;
}

C code for test:

int main(){
        int *i = 0;
        return 0;
}

AST:

`-FunctionDecl 0x3174790 <1.c:1:1, line:4:1> line:1:5 main 'int ()'
  `-CompoundStmt 0x31c7048 <col:11, line:4:1>
    |-DeclStmt 0x31c6ff8 <line:2:2, col:12>
    | `-VarDecl 0x31c6f60 <col:2, col:11> col:7 i 'int *' cinit
    |   `-ImplicitCastExpr 0x31c6fe0 <col:11> 'int *' <NullToPointer>
    |     `-IntegerLiteral 0x31c6fc0 <col:11> 'int' 0
    `-ReturnStmt 0x31c7030 <line:3:2, col:9>
      `-IntegerLiteral 0x31c7010 <col:9> 'int' 0

Go:

func main() {
        __init()
        var i []int = noarch.IntToIntSlice(0)
        return
}