Print and save JS stacktrace on OOM crash.

src/heap/spaces.cc

Index: src/heap/spaces.cc
diff --git a/src/heap/spaces.cc b/src/heap/spaces.cc
index e06455f05bbc5ff5ab20b5d30f9ba7b6a295052e..2cabe57fba60d6850da4c969d67bb2a9507e77f2 100644
--- a/src/heap/spaces.cc
+++ b/src/heap/spaces.cc
@@ -1006,9 +1006,9 @@ bool PagedSpace::CanExpand() {
   DCHECK(max_capacity_ % AreaSize() == 0);
   DCHECK(heap()->mark_compact_collector()->is_compacting() ||
          Capacity() <= heap()->MaxOldGenerationSize());
-  DCHECK(heap()->CommittedOldGenerationMemory() <=
-         heap()->MaxOldGenerationSize() +
-             PagedSpace::MaxEmergencyMemoryAllocated());
+  // DCHECK(heap()->CommittedOldGenerationMemory() <=
+  //        heap()->MaxOldGenerationSize() +
+  //            PagedSpace::MaxEmergencyMemoryAllocated());
 
   // Are we going to exceed capacity for this space?
   if (!heap()->CanExpandOldGeneration(Page::kPageSize)) return false;