/in/foo.cc: In function 'int hs(int)':
/in/foo.cc:32:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int dg(int)':
/in/foo.cc:53:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^