Function act

test/core/stack_overflow.c:14–19

void recurse(unsigned long x);

void act(volatile unsigned long *a) {
  printf("act     %ld\n", *a);
  unsigned long b = (long)(intptr_t)(alloca(*a));
  if (b < *a) *a--;
  recurse(*a);
}

void recurse(volatile unsigned long x) {
  printf("recurse %ld sp=%#lx\n", x, emscripten_stack_get_current());