/in/foo.cc:4:10: error: stray '\342' in program
 string s=“”;
          ^
/in/foo.cc:4:11: error: stray '\200' in program
 string s=“”;
           ^
/in/foo.cc:4:12: error: stray '\234' in program
 string s=“”;
            ^
/in/foo.cc:4:13: error: stray '\342' in program
 string s=“”;
             ^
/in/foo.cc:4:14: error: stray '\200' in program
 string s=“”;
              ^
/in/foo.cc:4:15: error: stray '\235' in program
 string s=“”;
               ^
/in/foo.cc:4:16: error: expected primary-expression before ';' token
 string s=“”;
                ^