[Bug c++/85108] [7 Regression] Incorrect warning for constexpr lambda with -Wunused-but-set-variable

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85108

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Mar 29 11:18:04 2018
New Revision: 258952

URL: https://gcc.gnu.org/viewcvs?rev=258952&root=gcc&view=rev
Log:
        PR c++/85108
        * g++.dg/warn/Wunused-var-31.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Wunused-var-31.C
Modified:
    trunk/gcc/testsuite/ChangeLog