cmm/CBE: Fix a few more zip uses
authorBen Gamari <bgamari.foss@gmail.com>
Mon, 6 Nov 2017 20:34:37 +0000 (15:34 -0500)
committerBen Gamari <ben@smart-cactus.org>
Mon, 6 Nov 2017 20:34:38 +0000 (15:34 -0500)
commita27056f9823f8bbe2302f1924b3ab38fd6752e37
treef91982ebd1176ebd666cc1f6fe72c159cabfc54d
parent6f990c54f922beae80362fe62426beededc21290
cmm/CBE: Fix a few more zip uses

Ensure that we don't consider lists of equal length to be equal when
they are not. I noticed these while working on the fix for #14361.

Reviewers: austin, simonmar, michalt

Reviewed By: michalt

Subscribers: rwbarton, thomie

GHC Trac Issues: #14361

Differential Revision: https://phabricator.haskell.org/D4153
compiler/cmm/CmmCommonBlockElim.hs