modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/band.c (about)

     1  foo (a)
     2  {
     3    return (a & (1 << 31)) != 0;
     4  }
     5  
     6  main ()
     7  {
     8    if (foo (0))
     9      puts ("foo");
    10    else
    11      puts ("bar");
    12    if (foo (~0))
    13      puts ("foo");
    14    else
    15      puts ("bar");
    16  }