[Bug c++/66962] [concepts] overloaded function causing memory blow-up and ICE

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66962

--- Comment #12 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
This paper claims O(e log d) for size e and alternation depth d:
http://www.win.tue.nl/~jfg/articles/CSR-04-13.pdf

But I'm not sure if it is applicable.