Commit 2cb8cc26 authored by
StgCmmPrim: Add missing write barrier.
On architectures with weak memory consistency a write barrier is needed before the write to the pointer array. Fixes #12469 Test Plan: rebuilt Stackage nightly twice on powerpc64le Reviewers: hvr, rrnewton, erikd, austin, simonmar, bgamari Reviewed By: erikd, bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2525 GHC Trac Issues: #12469
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