Added a promotion queue unit test that test promotion queue memory corruption

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 812fec127ad34973d6d2a0115fc51e98a9cbab72..c8af39c8fb8766766a3a9cb91c9c7a99a2735018 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -1950,6 +1950,10 @@ class ScavengingVisitor : public StaticVisitorBase {
                                    HeapObject* source,
                                    HeapObject* target,
                                    int size)) {
+    ASSERT(!heap->InToSpace(target) ||

[titzer, 2014/07/01 11:58:20]

Comments here too?

[Hannes Payer (out of office), 2014/07/01 16:08:11]

Done.

+        heap->promotion_queue()->IsBelowPromotionQueue(
+            target->address() + size));
+
     // Copy the content of source to target.
     heap->CopyBlock(target->address(), source->address(), size);