Summary:
The expected output uses a hardcoded value for
maxBound :: Int.

This should fix one of circleci failures on i386.

Test Plan: make test TEST=T15502

Reviewers: RyanGlScott, bgamari

Reviewed By: RyanGlScott

Subscribers: rwbarton, carter

GHC Trac Issues: #15502

Differential Revision: https://phabricator.haskell.org/D5151