gcc's c++20 support is still considered "experimental", which means libstdc++ does not guarantee ABI stability when using c++20. The JDK is compiled and distrib

gcc's c++20 support is still considered "experimental", which means libstdc++ does not guarantee ABI stability when using c++20. The JDK is compiled and distributed by various entities using various styles of linking. The lack of ABI stability might be problematic for some of them.