[Bug c++/66067] [6 Regression] tree check ICE: accessed elt 1 of tree_vec with 0 elts in write_template_args, at cp/mangle.c:2574

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66067

--- Comment #9 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
I've tested latest gcc-5 branch and still cannot reproduce the issue.
The only ICE I get building range-v3 is PR66405.