From: Simon Marlow <marlowsd@gmail.com>
Date: Mon, 7 Dec 2009 17:01:27 +0000 (+0000)
Subject: threadStackUnderflow: fix recently introduced bug (conc068(threaded1) failure)
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=34bb8868a99962ede85ab7fa67c43fb922d78fc6;p=ghc-hetmet.git

threadStackUnderflow: fix recently introduced bug (conc068(threaded1) failure)

bug introduced by "threadStackUnderflow: put the new TSO on the mut
list if necessary"
---

diff --git a/rts/Schedule.c b/rts/Schedule.c
index abd7bc4..7b57c0d 100644
--- a/rts/Schedule.c
+++ b/rts/Schedule.c
@@ -2342,7 +2342,7 @@ threadStackUnderflow (Capability *cap, Task *task, StgTSO *tso)
     // list. The new TSO is not yet on the mutable list, so we better
     // put it there.
     new_tso->dirty = 0;
-    new_tso->flags &= !TSO_LINK_DIRTY;
+    new_tso->flags &= ~TSO_LINK_DIRTY;
     dirty_TSO(cap, new_tso);
 
     debugTrace(DEBUG_sched, "thread %ld: reducing TSO size from %lu words to %lu",