[Bug debug/66869] [6 regression] -Wunused-function no longer warns for static declarations without definition

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66869

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jan 29 11:14:42 2016
New Revision: 232975

URL: https://gcc.gnu.org/viewcvs?rev=232975&root=gcc&view=rev
Log:
        PR debug/66869
        * decl.c (wrapup_globals_for_namespace): Warn about unused static
        function declarations.

        * g++.dg/warn/Wunused-function2.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Wunused-function2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog