[Bug c++/71738] [4.9/5/6/7 Regression] ICE on valid C++ code: tree check: expected record_type or union_type or qual_union_type, have template_decl in lookup_template_class_1, at cp/pt.c:8619

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71738

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Sun Jul 24 03:04:31 2016
New Revision: 238691

URL: https://gcc.gnu.org/viewcvs?rev=238691&root=gcc&view=rev
Log:
        PR c++/71738 - nested template friend

        * pt.c (lookup_template_class_1): Handle getting template from tsubst.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/template/friend63.C
Modified:
    branches/gcc-6-branch/gcc/cp/ChangeLog
    branches/gcc-6-branch/gcc/cp/pt.c