/in/foo.cc: In function 'void IO::putc(char)':
/in/foo.cc:17:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(oS == oT) flush(); *oS++ = _;
   ^~
/in/foo.cc:17:25: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   if(oS == oT) flush(); *oS++ = _;
                         ^