Respeced Mr.Emil, Thank you for your kindly reply. >I can't reproduce this with msvc versions available on godbolt:
>https://godbolt.org/z/E8vYWTPf6 Exactly on godbolt,the compilers work well. I >test this by myself. Once again, I change to the Microsoft Visual Studio Community 2019 ver. 16.11.18. And compile the program ,the error still exist. >Can you provide a complete error log, including source file and line of the >error? soruce file:info.hppsource code line no:145soruce code:error_info_container_impl * c=new error_info_container_impl;error log:C2259 “boost::exception_detail::error_info_container_impl”: cannot instantiate abstract class, test_boost D:\boost_1_79_0\boost\exception\info.hpp 145 Best regards, zhiyong
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