gcc/testsuite/gcc.dg/heap-trampoline-1.c

   1 /* { dg-do run { target heap_trampoline } } */
   2 /* { dg-options "-ftrampoline-impl=heap" } */
   3
   4 __attribute__((noipa)) int
   5 bar (int (*fn) (int))
   6 {
   7   return fn (42) + 1;
   8 }
   9
  10 int
  11 main ()
  12 {
  13   int a = 0;
  14   int foo (int x) { if (x != 42) __builtin_abort (); return ++a; }
  15   if (bar (foo) != 2 || a != 1)
  16     __builtin_abort ();
  17   if (bar (foo) != 3 || a != 2)
  18     __builtin_abort ();
  19   a = 42;
  20   if (bar (foo) != 44 || a != 43)
  21     __builtin_abort ();
  22   return 0;
  23 }