@{
  (`declaration int a = 5;);
  a = (`declaration int a = 5;);
  @(`declaration int a = 5;);
};

@a;
@(t = `integer 2)
@(`declaration int abc = @t;);

int main() {
  @a;
  int b = 0;
  @{
    @(`declaration int c = 0;);
    x = (`declaration int d = 5;);
    @x;
    if (1) {
      if (1) {
        x = (`declaration int d = 5;);
        @x;
      }
    }

  };
  int e = 0;
  return 0;
}