Test: off_by_one.cpp
off_by_one.cpp:2:5: error: expected unqualified-id before 'for'
    2 |     for (int i = 0; i < 5; i++) {
      |     ^~~
off_by_one.cpp:2:21: error: 'i' does not name a type
    2 |     for (int i = 0; i < 5; i++) {
      |                     ^
off_by_one.cpp:2:28: error: 'i' does not name a type
    2 |     for (int i = 0; i < 5; i++) {
      |                            ^