Mostly fix Trac #2431: make empty case acceptable to (most of) GHC

[ghc-hetmet.git] / rts / sm / Compact.c

diff --git a/rts/sm/Compact.c b/rts/sm/Compact.c
index fa6efa9..9f0a69d 100644 (file)
--- a/rts/sm/Compact.c
+++ b/rts/sm/Compact.c
@@ -84,7 +84,7 @@ thread (StgClosure **p)
     if (HEAP_ALLOCED(q)) {
        bd = Bdescr(q); 
 
-       if (bd->flags & BF_COMPACTED)
+       if (bd->flags & BF_MARKED)
         {
             iptr = *q;
             switch (GET_CLOSURE_TAG((StgClosure *)iptr))
@@ -966,6 +966,9 @@ compact(StgClosure *static_objects)
     // 1. thread the roots
     markCapabilities((evac_fn)thread_root, NULL);
 
+    // spark queues
+    traverseSparkQueues((evac_fn)thread_root, NULL);
+
     // the weak pointer lists...
     if (weak_ptr_list != NULL) {
        thread((void *)&weak_ptr_list);
@@ -986,7 +989,9 @@ compact(StgClosure *static_objects)
     }
 
     // the global thread list
-    thread((void *)&all_threads);
+    for (s = 0; s < total_steps; s++) {
+        thread((void *)&all_steps[s].threads);
+    }
 
     // any threads resurrected during this GC
     thread((void *)&resurrected_threads);