/in/foo.cc: In function 'void work()':
/in/foo.cc:109:27: warning: unused variable 'tmpy' [-Wunused-variable]
             int tmpx = x, tmpy, tmp;
                           ^~~~
/in/foo.cc:109:33: warning: unused variable 'tmp' [-Wunused-variable]
             int tmpx = x, tmpy, tmp;
                                 ^~~
/in/foo.cc:123:17: warning: unused variable 'tmpx' [-Wunused-variable]
             int tmpx, tmpy = y, tmp;
                 ^~~~
/in/foo.cc:123:33: warning: unused variable 'tmp' [-Wunused-variable]
             int tmpx, tmpy = y, tmp;
                                 ^~~