From 5b726bda032c2015a34131c41d1d338cc759736f Mon Sep 17 00:00:00 2001
From: Simon Marlow <marlowsd@gmail.com>
Date: Wed, 28 May 2008 06:39:04 +0000
Subject: [PATCH] FIX #2164: check for ThreadRelocated in isAlive()

---
 rts/sm/GCAux.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rts/sm/GCAux.c b/rts/sm/GCAux.c
index 825d0f9..48179f7 100644
--- a/rts/sm/GCAux.c
+++ b/rts/sm/GCAux.c
@@ -62,6 +62,11 @@ isAlive(StgClosure *p)
 
     // large objects use the evacuated flag
     if (bd->flags & BF_LARGE) {
+        if (get_itbl(q)->type == TSO &&
+            ((StgTSO *)p)->what_next == ThreadRelocated) {
+            p = (StgClosure *)((StgTSO *)p)->_link;
+            continue;
+        }
 	return NULL;
     }
 
-- 
1.7.10.4