/in/foo.cc:3:1: error: stray '`' in program
    3 | ```cpp
      | ^
/in/foo.cc:3:2: error: stray '`' in program
    3 | ```cpp
      |  ^
/in/foo.cc:3:3: error: stray '`' in program
    3 | ```cpp
      |   ^
/in/foo.cc:4:14: error: stray '`' in program
    4 | ************1`1111******11**1111********************
      |              ^
/in/foo.cc:1:1: error: expected unqualified-id before '[' token
    1 | [
      | ^