[Bug c++/57397] Off-by-one error in diagnostic when calling variadic function template with too few arguments

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57397

--- Comment #6 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Wed Jul 30 20:06:29 2014
New Revision: 213310

URL: https://gcc.gnu.org/viewcvs?rev=213310&root=gcc&view=rev
Log:
/cp
2014-07-30  Paolo Carlini  <paolo.carl...@oracle.com>

    PR c++/57397
    * pt.c (unify_arity): Add boolean parameter.
    (unify_too_few_arguments): Likewise.
    (type_unification_real): Diagnose correctly insufficient
    arguments in the presence of trailing variadic parameters;
    deducing multiple trailing packs as empty is fine.

/testsuite
2014-07-30  Paolo Carlini  <paolo.carl...@oracle.com>

    PR c++/57397
    * g++.dg/cpp0x/vt-57397-1.C: New.
    * g++.dg/cpp0x/vt-57397-2.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/vt-57397-1.C
    trunk/gcc/testsuite/g++.dg/cpp0x/vt-57397-2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog