1.11.2 was released on the 5th of july. I contains imported fixed for http/2 setups. Please provide a new ebuild. Thanks!
PR submitted: https://github.com/gentoo/gentoo/pull/1920
nginx v1.11.2 finally landed in the repository: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=0e2ac3575abbbc0493bb2d8dff24cb00a3b9f970 Thanks for the report!