Auto merge of #3921 - alexcrichton:less-asserts, r=matklad
authorbors <bors@rust-lang.org>
Wed, 26 Apr 2017 20:42:15 +0000 (20:42 +0000)
committerbors <bors@rust-lang.org>
Wed, 26 Apr 2017 20:42:15 +0000 (20:42 +0000)
commitfa7584c1495c2d9c04a6416f8e7b546abfa88a52
treee54a13ce87ed196a85df35479368bb9fad40aa69
parent06708ffa44448d612b7d40596e9333d15e48667f
parent25111414504b613f1ff38c518a64a4115dfff623
Auto merge of #3921 - alexcrichton:less-asserts, r=matklad

Relax overly strict asserts in dependency queue

Don't actually need to assert that these are unique, it works both ways and we
can have flavorful dependency graphs which otherwise trigger the assertions.

Closes #3902