modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/pr51247.c (about)

     1  /* PR tree-optimization/51247 */
     2  
     3  struct S { int s : 1; };
     4  int a;
     5  
     6  void
     7  foo (int x, int y)
     8  {
     9    struct S s;
    10    s.s = !!y;
    11    while (1)
    12      {
    13        unsigned l = 94967295;
    14        a = x || (s.s &= l);
    15      }
    16  }