Remove the requirement that ast->hir lowering be reproducible#33296

Merged

bors merged 7 commits intorust-lang:masterfrom jseyfried:non_idempotent_lowering

May 2, 2016

+348-600

Commits on Apr 30, 2016

Panic on relowering an AST node with a cached node id
jseyfried
committed

Commits on May 1, 2016

Commits on May 2, 2016