[Bug c++/78771] [5/6/7 Regression] ICE when using inherited constructors (instantiate_template_1 in gcc/cp/pt.c:17391)

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78771

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jan 27 16:48:34 2017
New Revision: 244988

URL: https://gcc.gnu.org/viewcvs?rev=244988&root=gcc&view=rev
Log:
        PR c++/78771 - ICE with inherited constructor.

        * call.c (build_over_call): Call deduce_inheriting_ctor here.
        * pt.c (tsubst_decl): Not here.
        * class.c (add_method): Or here.
        * method.c (deduce_inheriting_ctor): Handle clones.
        (implicitly_declare_fn): Don't deduce inheriting ctors yet.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/pr78771-new.C
    trunk/gcc/testsuite/g++.dg/cpp0x/pr78771-old.C
    trunk/gcc/testsuite/g++.dg/cpp1z/pr78771.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/cp/class.c
    trunk/gcc/cp/method.c
    trunk/gcc/cp/pt.c