exclude `#![no_builtins]` crates from LTO#35637

Merged

bors merged 3 commits intorust-lang:masterfrom japaric:no-builtins-lto

Aug 16, 2016

+61-10

Commits on Aug 13, 2016

exclude #![no_builtins] crates from LTO
Jorge Aparicio
committed

Commits on Aug 15, 2016

refactor: use CStore::is_no_builtins
Jorge Aparicio
committed
test that a no_builtins crate is passed to the linker
Jorge Aparicio
committed