void consume(void*) {}

void used() {}

void user() {
  auto x = &used;
  consume(&used);
}

/*
OUTPUT:
{
  "funcs": [{
      "id": 0,
      "usr": "c:@F@consume#*v#",
      "short_name": "consume",
      "qualified_name": "consume",
      "definition": "1:6",
      "callers": ["2@7:3"],
      "uses": ["1:6", "7:3"]
    }, {
      "id": 1,
      "usr": "c:@F@used#",
      "short_name": "used",
      "qualified_name": "used",
      "definition": "3:6",
      "callers": ["2@6:13", "2@7:12"],
      "uses": ["3:6", "6:13", "7:12"]
    }, {
      "id": 2,
      "usr": "c:@F@user#",
      "short_name": "user",
      "qualified_name": "user",
      "definition": "5:6",
      "callees": ["1@6:13", "0@7:3", "1@7:12"],
      "uses": ["5:6"]
    }],
  "vars": [{
      "id": 0,
      "usr": "c:func_usage_addr_func.cc@61@F@user#@x",
      "short_name": "x",
      "qualified_name": "x",
      "definition": "6:8",
      "uses": ["6:8"]
    }]
}
*/