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// -*- C++ -*- 
//===----------------------------------------------------------------------===// 
// 
// 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
// 
//===----------------------------------------------------------------------===// 
 
#ifndef _LIBCPPABI_VERSION 
#error this header can only be used with libc++abi 
#endif 
 
namespace std { 
 
bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; } 
 
int uncaught_exceptions() noexcept 
{ 
# if _LIBCPPABI_VERSION > 1001 
    return __cxa_uncaught_exceptions(); 
# else 
    return __cxa_uncaught_exception() ? 1 : 0; 
# endif 
} 
 
} // namespace std