[Bug c++/49251] [C++0x][parameter pack expanding] unused parameter warning with unpacking empty tuples

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49251

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-16 
22:09:00 UTC ---
Author: jason
Date: Thu Jun 16 22:08:57 2011
New Revision: 175119

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175119
Log:
    PR c++/49251
    * semantics.c (finish_id_expression): Mark even dependent
    variables as used.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic113.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog