[Bug c++/66564] [11/12/13/14/15 Regression] ICE on explicit instantiation of nested template class

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66564

--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Patch submission for r0-123991:
https://gcc.gnu.org/pipermail/gcc-patches/2013-June/365035.html