https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66656
Daniel Krügler <daniel.kruegler at googlemail dot com> changed:
What |Removed |Added
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CC| |daniel.kruegler@googlemail.
| |com
--- Comment #1 from Daniel Krügler <daniel.kruegler at googlemail dot com> ---
The compiler/linker is right: You still need to provide a definition for the
second static data member. Providing an initializer does not provide such a
definition. To fix your problem, just add the line
constexpr X::item X::arr1[];
to your code.
This is not a defect.
