gcc/testsuite/gcc.dg/pr50290.c

   1 /* PR rtl-optimization/50290 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -fno-tree-loop-optimize -fno-tree-vrp -funroll-loops" } */
   4
   5 static int
   6 bar (int t[], int b)
   7 {
   8   int i;
   9   for (i = 0; i < b; i++)
  10     t[i] = i + (i > 0 ? t[i - 1] : 0);
  11   return t[b - 1];
  12 }
  13
  14 static int
  15 foo (int b)
  16 {
  17   int x[b];
  18   return bar (x, b);
  19 }
  20
  21 int
  22 main ()
  23 {
  24   if (foo (6) != 15)
  25     __builtin_abort ();
  26   return 0;
  27 }