C++ PATCH: expressions in void context

[Mark Mitchell]

>>>>> "Nathan" == Nathan Sidwell <nathan@acm.org> writes:

    Nathan> The extra warning I thought you meant was on the `&fn'
    Nathan> variant, which popped out on the g++.pt/explicit*.C
    Nathan> cases. I did remove that one.

OK.  I was very unclear in my response.

    Nathan> Would you still like me to remove the warning about plain
    Nathan> `fn'? I don't think it belongs in cplus_expand_expr_stmt.

I dunno.  What's this warning good for?  We should just have a single
warning for statements with no side-effects, I think.  You should get
same warning for:

  3;
  f;
  3 ? f : (x, g);
  ...

--
Mark Mitchell                   mark@codesourcery.com
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