modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/20011219-2.c (about)

     1  /* This testcase failed on Alpha at -O2 when simplifying conditional
     2     expressions.  */
     3  
     4  struct S {
     5    unsigned long a;
     6    double b, c;
     7  };
     8  
     9  extern double bar (double, double);
    10  
    11  int
    12  foo (unsigned long x, unsigned int y, struct S *z)
    13  {
    14    unsigned int a = z->a;
    15    int b = y / z->a > 1 ? y / z->a : 1;
    16  
    17    a = y / b < z->a ? y / b : z->a;
    18    z->c = z->b * bar ((double) a, (double) x);
    19    return 0;
    20  }