Moritz Ulrich bfc187f23a
rustc: Loosen bootstrapping restrictions.
Newer nightlies check a new environment variable that if set will loosen
restrictions on which compiler version can be used for bootstrapping.

Upstream issue is at https://github.com/rust-lang/rust/pull/37265
2016-11-28 11:21:12 +01:00
..
2016-08-10 21:16:48 +02:00