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

     1  foo (a)
     2       int a;
     3  {
     4    int b = 8;
     5  
     6    if ((a << b) >= 0)
     7      return 1;
     8    return a;
     9  }
    10  
    11  main ()
    12  {
    13    if (foo (0x00ffffff) == 1)
    14      puts ("y");
    15  }