// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// RUN: cxx_compiler -c cxx_rtti cxx_exceptions %s -o %t.o
// RUN: linker %t.o -o %t%exeext
// RUN: bindump %t.o| FileCheck %s

#include <typeinfo>

// Test run-time library includes support for builtin type "void"

int global_int = 10;
void const *global_ptr;

// CHECK-DAG: _ZTIv
const std::type_info &foo1() { const std::type_info &t = typeid(void); return t; }
// CHECK-DAG: _ZTIPv
void foo2() { throw (void *)&global_int; }
// CHECK-DAG: _ZTIPKv
void foo3() { try { foo2(); } catch(void const *p) { } }

int main(int argc, char *argv[]) {
  return 0;
}
