Ensure that GHC.Stack.callStack doesn't fail
authorBen Gamari <bgamari.foss@gmail.com>
Fri, 28 Jul 2017 22:25:35 +0000 (18:25 -0400)
committerBen Gamari <ben@smart-cactus.org>
Fri, 28 Jul 2017 22:25:37 +0000 (18:25 -0400)
commit84f8e86248d47f619a94c68260876a1258e0a931
tree3756862bea5f88211423346c0c058dcf196950b8
parentd75bba852db208b1d9fcb84dab01598a765d2534
Ensure that GHC.Stack.callStack doesn't fail

Test Plan: Validate, ensure the `f7` program of `IPLocation` doesn't
crash.

Reviewers: gridaphobe, austin, hvr

Reviewed By: gridaphobe

Subscribers: rwbarton, thomie

GHC Trac Issues: #14028

Differential Revision: https://phabricator.haskell.org/D3795
libraries/base/GHC/Stack.hs
testsuite/tests/typecheck/should_run/IPLocation.hs