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A comment on C++ 20: The Core Language. Parent comment

Re:C++ 20: The Core Language by CoolGuySteve on Tuesday November 05, 2019 @03:45PM (#21456488)
Your example breaks if you change the C++11 pane to GCC 4.9 or earlier, which is the default in CentOS 7 and Ubuntu 14.04.

Considering that was only 5 years ago, I wouldn't consider this a stable ABI.

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Re:C++ 20: The Core Language by jcelerier on Tuesday November 05, 2019 @04:39PM (#21456991)
but again you can revert to gcc-4.9 behaviour with -D_GLIBCXX_USE_CXX11_ABI=0
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