gcc/testsuite/gcc.dg/pr97396.c

   1 // { dg-do compile }
   2 // { dg-options "-O1 -ftree-vrp" }
   3 // { dg-additional-options "-m32" { target { i?86-*-* x86_64-*-* } } }
   4
   5 unsigned int
   6 po (char *os, unsigned int al)
   7 {
   8   for (;;)
   9     {
  10       int qx = 0;
  11
  12       while (al < 1)
  13         {
  14           char *cw;
  15
  16           cw = os + qx;
  17           if (cw)
  18             return al + qx;
  19
  20           qx += sizeof *cw;
  21         }
  22     }
  23 }