[Bug c++/66260] [C++14] Failure to compile variable template with recursively defined partial specialization

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66260

--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Thu Aug  6 14:26:18 2015
New Revision: 226676

URL: https://gcc.gnu.org/viewcvs?rev=226676&root=gcc&view=rev
Log:
        PR c++/67130
        PR c++/67131
        PR c++/66260
        * mangle.c (write_expression) [TEMPLATE_ID_EXPR]: Handle variable
        templates.
        * pt.c (tsubst_copy_and_build): Check for argument substitution
        failure.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/var-templ42.C
    trunk/gcc/testsuite/g++.dg/cpp1y/var-templ43.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/mangle.c
    trunk/gcc/cp/pt.c