[Bug other/68406] dbxout.c:2570:16: error: no matching function for call to 'hash_set<tree_node*>::traverse(vec<tree_node*>*)'

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68406

--- Comment #5 from vries at gcc dot gnu.org ---
(In reply to rsandifo@gcc.gnu.org from comment #4)
> Created attachment 36755 [details]
> Patch
> 
> Bah, remember we had this with hash_map as well.  It depends on
> which host compiler you're using.

Ah, I see: https://gcc.gnu.org/ml/gcc-patches/2015-06/msg01974.html .

>  Please try the attached.

That seems to do the trick. The build has arrived at the point of building
libraries, while it previously broke while building cc1.