foo.c: In function ‘main’:
foo.c:17:25: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation]
   17 |                         else
      |                         ^~~~
foo.c:19:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘else’
   19 |                                 break;
      |                                 ^~~~~