[Bug c++/78488] [7 Regression] P0136R1 ICE when building call to inherited default constructor.

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78488

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
clang version 4.0.0 (trunk 291659) accepts this with -std=c++1z as well as
-std=c++14 and -std=c++11.