Pretty print parens around casts on the LHS of `<`/`<<`#45784

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bors merged 4 commits intorust-lang:masterfrom

harpocrates:fix/print-parens-cast-lt

Nov 7, 2017

Commits on Nov 5, 2017

Commits on Nov 6, 2017

Fix comments
harpocrates
committed

Commits on Nov 7, 2017

Update comments in cast-lt.pp
harpocrates
committed