gcc/testsuite/gcc.dg/pr39666-2.c

   1 /* PR middle-end/39666 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -Wuninitialized" } */
   4
   5 int
   6 foo (int i)
   7 {
   8   int j;
   9   switch (i)
  10     {
  11     case -__INT_MAX__ - 1 ... -1:
  12       j = 6;
  13       break;
  14     case 0:
  15       j = 5;
  16       break;
  17     case 2 ... __INT_MAX__:
  18       j = 4;
  19       break;
  20     }
  21   return j;     /* { dg-warning "may be used uninitialized" } */
  22 }