Extra import symbol in debug build

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hello,


I can successfully build the same C++ code using GCC-8.3.1 for Debug (-g -O0) and Release (-g -O2) build. I can successfully debug the Release-executable on a remote host, but I can't debug the Debug-executable on a remote host, because the Debug-executable imports an extra symbol _ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv from libstdc++ which doesn't exist.

but I don't want to debug libstdc++, so I think I shouldn't install additional debug version of libstdc++.

it looks like a bug, or am I wrong?

another my question is, what should I do to get rid of that extra symbol in Debug build?




best!

ps
I can't update GCC nor libstdc++.



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