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authorSimon Marlow <marlowsd@gmail.com>2018-03-25 14:02:16 -0400
committerBen Gamari <ben@smart-cactus.org>2018-03-25 14:33:27 -0400
commitcf809950efb744ca884e0e0833a80ffd50527ca1 (patch)
treedc32069c86ec1212358797f5344102e9287ac0ef /rts/StgMiscClosures.cmm
parent9893042604cda5260cb0f7b674ed5c34b419e403 (diff)
downloadhaskell-cf809950efb744ca884e0e0833a80ffd50527ca1.tar.gz
Add Note [BLACKHOLE points to IND]
Test Plan: ci Reviewers: osa1, bgamari, erikd Reviewed By: osa1 Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4517
Diffstat (limited to 'rts/StgMiscClosures.cmm')
-rw-r--r--rts/StgMiscClosures.cmm1
1 files changed, 1 insertions, 0 deletions
diff --git a/rts/StgMiscClosures.cmm b/rts/StgMiscClosures.cmm
index 595d3ce6c2..9fd5fb8b88 100644
--- a/rts/StgMiscClosures.cmm
+++ b/rts/StgMiscClosures.cmm
@@ -302,6 +302,7 @@ retry:
// This could happen, if e.g. we got a BLOCKING_QUEUE that has
// just been replaced with an IND by another thread in
// wakeBlockingQueue().
+ // See Note [BLACKHOLE pointing to IND] in sm/Evac.c
goto retry;
}