Invalidate embedded objects in optimized code if it was marked for deoptimization.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 6cb5e212026de06051e8d83d9000964d4e3a7ba5..6686d161c113c8768f7764dae90262f124511532 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -10376,6 +10376,17 @@ void Code::InvalidateRelocation() {
 }
 
 
+void Code::InvalidateEmbeddedObjects(Object* undefined) {
+  int mode_mask = RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT);
+  for (RelocIterator it(this, mode_mask); !it.done(); it.next()) {
+    RelocInfo::Mode mode = it.rinfo()->rmode();
+    if (mode == RelocInfo::EMBEDDED_OBJECT) {
+      it.rinfo()->set_target_object(undefined, SKIP_WRITE_BARRIER);

[ulan, 2013/11/19 10:40:27]

We cannot put smi(0) here because, target object has to heap object.

+    }
+  }
+}
+
+
 void Code::Relocate(intptr_t delta) {
   for (RelocIterator it(this, RelocInfo::kApplyMask); !it.done(); it.next()) {
     it.rinfo()->apply(delta);