[Bug c++/69253] [6 Regression] ICE in cxx_incomplete_type_diagnostic initializing a flexible array member with empty string

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69253

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch posted for review:
https://gcc.gnu.org/ml/gcc-patches/2016-01/msg01325.html