[Bug c++/66712] [concepts] variadic concepts cause havoc

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66712

--- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jul  3 17:46:04 2015
New Revision: 225399

URL: https://gcc.gnu.org/viewcvs?rev=225399&root=gcc&view=rev
Log:
        PR c++/66712
        * gcc/cp/pt.c (tsubst_pack_expansion): Use
        retrieve_local_specialization for requires-expression parameters.
        (argument_pack_element_is_expansion_p): A decl pack is an expansion.

Added:
    branches/c++-concepts/gcc/testsuite/g++.dg/concepts/variadic1.C
Modified:
    branches/c++-concepts/ChangeLog.concepts
    branches/c++-concepts/gcc/cp/pt.c