[Bug c++/84364] [8 Regression] -Weffc++ warns on "return *this" in template after r253599

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84364

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Feb 13 21:40:35 2018
New Revision: 257640

URL: https://gcc.gnu.org/viewcvs?rev=257640&root=gcc&view=rev
Log:
        PR c++/84364
        * typeck.c (check_return_expr): Don't emit -Weffc++ warning
        about return other than *this in assignment operators if
        retval is type dependent expression.

        * g++.dg/warn/effc4.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/warn/effc4.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/typeck.c
    trunk/gcc/testsuite/ChangeLog