modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/execute/20011126-1.c (about)

     1  /* Produced a overflow in ifcvt.c, causing S to contain 0xffffffff7fffffff.  */
     2  
     3  int a = 1;
     4  
     5  int main ()
     6  {
     7    long long s;
     8  
     9    s = a;
    10    if (s < 0)
    11      s = -2147483648LL;
    12    else
    13      s = 2147483647LL;
    14  
    15    if (s < 0)
    16      abort ();
    17  
    18    return 0;
    19  }