[Bug c/88477] Variable with type completed in initializer not allowed.

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88477

--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
I'm referring to C17 6.7.9#3, in the constraints for initializers.