Add i686-unknown-openbsd target.#38086

Merged

bors merged 3 commits intorust-lang:masterfrom

semarie:openbsd-i686

Dec 4, 2016

Commits on Nov 30, 2016

Add i686-unknown-openbsd target.
semarie
committed

Commits on Dec 3, 2016

update src/liblibc to include i686-unknown-openbsd libc definition
semarie
committed

Commits on Dec 4, 2016

OpenBSD under x86 has particular ABI for returning a struct.
semarie
committed