Fix T15502 on 32-bit

Authored by monoidal on Sep 14 2018, 7:38 AM.

Description

Fix T15502 on 32-bit

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: Trac #15502

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

(cherry picked from commit ecbe26b6966a3a64f4e22e862370536b1dd4440f)