Process 1109638 stopped
* thread #1, name = 'string3', stop reason = step over
    frame #0: 0x00000000004011e1 string3`main at string3.C:5:3
   2   	int main() {
   3   	  std::string a="hello";
   4   	  std::string b=a;
-> 5   	  return 0;
   6   	}
(lldb) p a
(std::string) $0 = "hello"
(lldb) p b
(std::string) $1 = "hello"
(lldb) expression -R -- a
(std::string) $2 = {
  _M_dataplus = {
    _M_p = 0x00007fffffffcf08
  }
  _M_string_length = 5
   = {
    _M_local_buf = {
      [0] = 'h'
      [1] = 'e'
      [2] = 'l'
      [3] = 'l'
      [4] = 'o'
      [5] = '\0'
      [6] = '\0'
      [7] = '\0'
      [8] = '\x10'
      [9] = '\xd0'
      [10] = '\xff'
      [11] = '\xff'
      [12] = '\xff'
      [13] = '\x7f'
      [14] = '\0'
      [15] = '\0'
    }
    _M_allocated_capacity = 478560413032
  }
}
(lldb) expression -R -- b
(std::string) $3 = {
  _M_dataplus = {
    _M_p = 0x00007fffffffced0
  }
  _M_string_length = 5
   = {
    _M_local_buf = {
      [0] = 'h'
      [1] = 'e'
      [2] = 'l'
      [3] = 'l'
      [4] = 'o'
      [5] = '\0'
      [6] = '\0'
      [7] = '\0'
      [8] = '\0'
      [9] = '\x1c'
      [10] = '\x01'
      [11] = '\0'
      [12] = '\0'
      [13] = '\0'
      [14] = '\0'
      [15] = '\0'
    }
    _M_allocated_capacity = 478560413032
  }
}
(lldb) _