[Bug c++/56493] [4.8/4.9/5 Regression] Performance regression in google dense hashmap

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56493

--- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #15)
> We are using that #c13 patch successfully for almost 18 months now in Fedora.
> As type promotion/demotion patch is not (sadly) going to happen for GCC 5, I
> still think it would be worthwhile to apply it temporarily, until type
> promotion/demotion is written.

Works for me.