gcc/testsuite/gcc.c-torture/execute/pr34415.c

   1 const char *__attribute__((noinline))
   2 foo (const char *p)
   3 {
   4   const char *end;
   5   int len = 1;
   6   for (;;)
   7     {
   8       int c = *p;
   9       c = (c >= 'a' && c <= 'z' ? c - 'a' + 'A' : c);
  10       if (c == 'B')
  11         end = p;
  12       else if (c == 'A')
  13         {
  14           end = p;
  15           do
  16             p++;
  17           while (*p == '+');
  18         }
  19       else
  20         break;
  21       p++;
  22       len++;
  23     }
  24   if (len > 2 && *p == ':')
  25     p = end;
  26   return p;
  27 }
  28
  29 int
  30 main (void)
  31 {
  32   const char *input = "Bbb:";
  33   return foo (input) != input + 2;
  34 }