gcc/testsuite/gcc.dg/pr48837.c

   1 /* PR tree-optimization/48837 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 void abort (void);
   6
   7 __attribute__((noinline))
   8 int baz(void)
   9 {
  10   return 1;
  11 }
  12
  13 inline const int *bar(const int *a, const int *b)
  14 {
  15  return *a ? a : b;
  16 }
  17
  18 int foo(int a, int b)
  19 {
  20    return a || b ? baz() : foo(*bar(&a, &b), 1) + foo(1, 0);
  21 }
  22
  23 int main(void)
  24 {
  25  if (foo(0, 0) != 2)
  26    abort();
  27
  28  return 0;
  29 }
  30