gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/20070517-1.c

   1 /* PR rtl-optimization/31691 */
   2 /* Origin: Chi-Hua Chen <stephaniechc-gccbug@yahoo.com> */
   3
   4 extern void abort (void);
   5
   6 static int get_kind(int) __attribute__ ((noinline));
   7
   8 static int get_kind(int v)
   9 {
  10   volatile int k = v;
  11   return k;
  12 }
  13
  14 static int some_call(void) __attribute__ ((noinline));
  15
  16 static int some_call(void)
  17 {
  18   return 0;
  19 }
  20
  21 static void example (int arg)
  22 {
  23   int tmp, kind = get_kind (arg);
  24
  25   if (kind == 9 || kind == 10 || kind == 5)
  26     {
  27       if (some_call() == 0)
  28         {
  29           if (kind == 9 || kind == 10)
  30             tmp = arg;
  31           else
  32             abort();
  33         }
  34     }
  35 }
  36
  37 int main(void)
  38 {
  39   example(10);
  40   return 0;
  41 }