-
This fixes #13615. See the rather lengthy Note [AP_STACKs must be eagerly blackholed] for details. Reviewers: simonmar, austin, erikd, dfeuer Subscribers: duog, dfeuer, hsyl20, rwbarton, thomie GHC Trac Issues: #13615 Differential Revision: https://phabricator.haskell.org/D3695 (cherry picked from commit fd7a7a63)
c1c09854