[Bug c/105430] [11/12/13 Regression] [DR 413] Change in value for "Partial overriding of constant struct/union initializers with designated initializers"

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105430

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I Assume here this is using a GNU extension of allowing the const struct copy
in a constant expression.