[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 #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
// PR c++/84364
// { dg-do compile }
// { dg-options "-Weffc++" }

template <typename T>
struct A {
  A &operator=(A<T>&& f) {
    return *this;       // { dg-bogus "should return a reference to" }
  }
};

is enough to reproduce this.