[Bug c++/58950] Missing "statement has no effect"

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58950

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.9 Regression] Missing    |Missing "statement has no
                   |"statement has no effect"   |effect"

--- Comment #13 from Marc Glisse <glisse at gcc dot gnu.org> ---
Testcase for the remaining part of the PR:

void f(){
  int i=2;
  (i+i); // should warn with -Wall
}