gcc/testsuite/gcc.dg/pr36300-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fwrapv" } */
   3
   4 extern void abort (void);
   5
   6 #define VALUE ((int)((long long)U1 * (long long)3) + 2)
   7
   8 int main(void)
   9 {
  10   long long Y, Y2;
  11 #if(__SIZEOF_INT__ >= 4)
  12   int U1;
  13 #else
  14   long U1;
  15 #endif
  16   int t;
  17   U1 = -2147483647-1;
  18
  19   Y = ((long long)(VALUE * VALUE) * 3);
  20
  21   t = VALUE;
  22   Y2 = ((long long)(t * t) * 3);
  23
  24   if (Y != Y2)
  25     abort ();
  26   return 0;
  27 }