int memberCallBaseDisappears() {
  // In this case, we need the lvalue-to-rvalue cast for 'ptr' to disappear,
  // which means we need to trigger reclamation between that and the ->
  // operator.
  //
  // Note that this test is EXTREMELY brittle because it's a negative test:
  // we want to show that even if the node for the rvalue of 'ptr' disappears,
  // we get the same results as if it doesn't. The test should never fail even
  // if our node reclamation policy changes, but it could easily not be testing
  // anything at that point.
  IntWrapper *ptr = getNullWrapper();
  // expected-note@-1 {{Calling 'getNullWrapper'}}
  // expected-note@-2 {{Returning from 'getNullWrapper'}}
  // expected-note@-3 {{'ptr' initialized to a null pointer value}}

  // Burn some nodes to trigger reclamation.
  int unused = 1;
  (void)unused;

  return ptr->getValue(); // expected-warning {{Called C++ object pointer is null}}
  // expected-note@-1 {{Called C++ object pointer is null}}
}
	size_t operator()(const IntWrapper& f) const {
		return std::hash<int>()(f.getValue());
	}