From: Simon Marlow <simonmar@microsoft.com>
Date: Thu, 3 Jan 2008 11:27:17 +0000 (+0000)
Subject: FIX #1898: add a missing UNTAG_CLOSURE() in checkBlackHoles
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=f89b598d9d023eb4a33d26cd4d2c446ace25bef1

FIX #1898: add a missing UNTAG_CLOSURE() in checkBlackHoles
---

diff --git a/rts/Schedule.c b/rts/Schedule.c
index cb2f7f3..3a45495 100644
--- a/rts/Schedule.c
+++ b/rts/Schedule.c
@@ -2949,7 +2949,7 @@ checkBlackHoles (Capability *cap)
     t = blackhole_queue;
     while (t != END_TSO_QUEUE) {
 	ASSERT(t->why_blocked == BlockedOnBlackHole);
-	type = get_itbl(t->block_info.closure)->type;
+	type = get_itbl(UNTAG_CLOSURE(t->block_info.closure))->type;
 	if (type != BLACKHOLE && type != CAF_BLACKHOLE) {
 	    IF_DEBUG(sanity,checkTSO(t));
 	    t = unblockOne(cap, t);