gcc/testsuite/gcc.dg/tree-ssa/20031113-1.c

   1 /* PR optimization/12640
   2
   3    We used to get into an infinite loop while trying to
   4    figure out `strlen (resultString)'.  This showed up as
   5    a stack overflow while compiling tk.  */
   6
   7 /* { dg-do compile } */
   8 /* { dg-options "-O1" } */
   9
  10 extern __SIZE_TYPE__ strlen (const char *);
  11
  12 int i;
  13
  14 static void
  15 SendEventProc (char *resultString)
  16 {
  17   char *p;
  18
  19   resultString = "";
  20   while (*p == '-')
  21     {
  22       if (p[2] == ' ')
  23         {
  24           resultString = p + 3;
  25         }
  26     }
  27   for (;;)
  28     {
  29       i = strlen (resultString) + 1;
  30     }
  31 }
  32