Fix various ICEs relating to trans'ing fields with associated types #20706

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bors merged 7 commits intorust-lang:masterfrom

nikomatsakis:assoc-types-projections-in-structs-issue-20470

Jan 8, 2015

Commits on Jan 7, 2015

Normalize associated types in various parts of `adt`
nikomatsakis
committed
Remove assertion that substitutions are erased. It'd be nice if they
nikomatsakis
committed