modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/931228-1.c (about) 1 f (x) 2 { 3 x &= 010000; 4 x &= 007777; 5 x ^= 017777; 6 x &= 017770; 7 return x; 8 } 9 10 main () 11 { 12 if (f (-1) != 017770) 13 abort (); 14 exit (0); 15 }