libcxx/test/support/test.support/test_macros_header.no_rtti.verify.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // Make sure the TEST_HAS_NO_RTTI macro is defined when the no-rtti Lit feature
  10 // is defined.
  11
  12 // REQUIRES: no-rtti
  13
  14 #include "test_macros.h"
  15
  16 #ifndef TEST_HAS_NO_RTTI
  17 #  error "TEST_HAS_NO_RTTI should be defined"
  18 #endif
  19
  20 struct A { virtual ~A() { } };
  21 struct B : A { };
  22
  23 int main(int, char**) {
  24     A* ptr = new B;
  25     (void)dynamic_cast<B*>(ptr); // expected-error{{use of dynamic_cast requires -frtti}}
  26     return 0;
  27 }