diff options
| -rw-r--r-- | rts/Schedule.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/rts/Schedule.c b/rts/Schedule.c index abd7bc4d56..7b57c0db32 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", |