Try enabling (non-incremental) code compaction again.

src/mark-compact.cc

Index: src/mark-compact.cc
diff --git a/src/mark-compact.cc b/src/mark-compact.cc
index bc7985ea5f3e148197847a48ab780cc621affcfa..40333fe1f838037fe4822f067a010fbc1032045a 100644
--- a/src/mark-compact.cc
+++ b/src/mark-compact.cc
@@ -809,6 +809,8 @@ class CodeFlusher {
       isolate_->heap()->mark_compact_collector()->
           RecordCodeEntrySlot(slot, target);
 
+      RecordSharedFunctionInfoCodeSlot(shared);
+
       candidate = next_candidate;
     }
 
@@ -831,12 +833,21 @@ class CodeFlusher {
         candidate->set_code(lazy_compile);
       }
 
+      RecordSharedFunctionInfoCodeSlot(candidate);
+
       candidate = next_candidate;
     }
 
     shared_function_info_candidates_head_ = NULL;
   }
 
+  void RecordSharedFunctionInfoCodeSlot(SharedFunctionInfo* shared) {
+    Object** slot = HeapObject::RawField(shared,
+                                         SharedFunctionInfo::kCodeOffset);
+    isolate_->heap()->mark_compact_collector()->
+        RecordSlot(slot, slot, HeapObject::cast(*slot));
+  }
+
   static JSFunction** GetNextCandidateField(JSFunction* candidate) {
     return reinterpret_cast<JSFunction**>(
         candidate->address() + JSFunction::kCodeEntryOffset);