gcc/testsuite/gcc.dg/torture/pr88792.c

   1 /* { dg-do run } */
   2
   3 int one = 1;
   4
   5 char
   6 __attribute__((noipa))
   7 foo(char v)
   8 {
   9   int modec;
  10
  11   if (one)
  12     {
  13       modec = ((v < 'A' || v > 'Z') ? v : v + ('a' - 'A'));
  14       if (modec != 't' && modec != 'c' && modec != 'g')
  15         modec = 0;
  16     }
  17   else
  18     modec = 'g';
  19
  20   return modec;
  21 }
  22
  23 int main(int argc, char **argv)
  24 {
  25   char c = 't';
  26   int r = foo (c);
  27
  28   if (r != c)
  29     __builtin_abort ();
  30
  31   return 0;
  32 }