[Bug c++/126481] [17 regression] Qt's qplugin.h rejected (default member initializer for '...’ required before the end of its enclosing class)

[sjames at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126481

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
If you inline CurrentMetaDataVersion, it is OK.