1  /* { dg-additional-options "-fwrapv" } */
       2  
       3  #include <limits.h>
       4  
       5  extern void abort ();
       6  
       7  int test2(int x)
       8  {
       9    return x + INT_MIN;
      10  }
      11  
      12  int test3(int x)
      13  {
      14    return x - INT_MIN;
      15  }
      16  
      17  int test5(int x)
      18  {
      19    int y = INT_MIN;
      20    return x + y;
      21  }
      22  
      23  int test6(int x)
      24  {
      25    int y = INT_MIN;
      26    return x - y;
      27  }
      28  
      29  
      30  
      31  void test(int a, int b)
      32  {
      33    if (test2(a) != b)
      34      abort();
      35    if (test3(a) != b)
      36      abort();
      37    if (test5(a) != b)
      38      abort();
      39    if (test6(a) != b)
      40      abort();
      41  }
      42  
      43  
      44  int main()
      45  {
      46  #if INT_MAX == 2147483647
      47    test(0x00000000,0x80000000);
      48    test(0x80000000,0x00000000);
      49    test(0x12345678,0x92345678);
      50    test(0x92345678,0x12345678);
      51    test(0x7fffffff,0xffffffff);
      52    test(0xffffffff,0x7fffffff);
      53  #endif
      54  
      55  #if INT_MAX == 32767
      56    test(0x0000,0x8000);
      57    test(0x8000,0x0000);
      58    test(0x1234,0x9234);
      59    test(0x9234,0x1234);
      60    test(0x7fff,0xffff);
      61    test(0xffff,0x7fff);
      62  #endif
      63  
      64    return 0;
      65  }