rasen authored Jul 30, 2015 and Ben Gamari committed Oct 22, 2015

Some headers used `new` as parameter name, which is reserved word in
C++. This patch changes these names to `new_`.

Test Plan: validate

Reviewers: austin, ezyang, bgamari, simonmar

Reviewed By: simonmar

Subscribers: thomie

Differential Revision: https://phabricator.haskell.org/D1107

GHC Trac Issues: #10700