[Bug c++/64455] A constexpr variable template can't be used with enable_if

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64455

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Jan  6 20:44:51 2015
New Revision: 219268

URL: https://gcc.gnu.org/viewcvs?rev=219268&root=gcc&view=rev
Log:
    PR c++/64455
    * pt.c (type_dependent_expression_p): Handle variable templates.
    * constexpr.c (potential_constant_expression_1): Use it.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/var-templ21.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/cp/pt.c