modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/pr47157.c (about)

     1  /* PR rtl-optimization/47157 */
     2  
     3  struct S { unsigned a; unsigned b; } c = { 1, 0 };
     4  unsigned long int e;
     5  void bar (int);
     6  int baz (void);
     7  
     8  static int
     9  foo (int x, short y)
    10  {
    11    return ((x ^ y) & ((x ^ (x ^ y) & ~__INT_MAX__) - y ^ y)) < 0 ? x : x - y;
    12  }
    13  
    14  void
    15  test (void)
    16  {
    17    bar (foo (baz () != (c.a | c.b), -1L));
    18    for (e = 0; e; e = 1)
    19      ;
    20  }