/in/foo.cc:1:1: error: stray '\342' in program
    1 | ​
      | ^
/in/foo.cc:1:2: error: stray '\200' in program
    1 | ​
      |  ^
/in/foo.cc:1:3: error: stray '\213' in program
    1 | ​
      |   ^
/in/foo.cc:19:1: error: stray '\342' in program
   19 | ​
      | ^
/in/foo.cc:19:2: error: stray '\200' in program
   19 | ​
      |  ^
/in/foo.cc:19:3: error: stray '\213' in program
   19 | ​
      |   ^