Fix replaying of captured objects during chunk building.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index a449d8efc82614188c9cbcc3109c3cd2912aeab7..c13ea9e5929f3d6196a5daaa04e2af5cdfc8552c 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -2374,6 +2374,22 @@ LInstruction* LChunkBuilder::DoArgumentsObject(HArgumentsObject* instr) {
 
 
 LInstruction* LChunkBuilder::DoCapturedObject(HCapturedObject* instr) {
+  HEnvironment* env = current_block_->last_environment();
+  ASSERT(env != NULL);
+
+  // Replay captured objects by replacing all captured objects with the
+  // same capture id in the current and all outer environments.
+  while (env != NULL) {
+    for (int i = 0; i < env->length(); ++i) {
+      HValue* value = env->values()->at(i);
+      if (value->IsCapturedObject() &&
+          HCapturedObject::cast(value)->capture_id() == instr->capture_id()) {
+        env->SetValueAt(i, instr);
+      }
+    }
+    env = env->outer();
+  }
+
   // There are no real uses of a captured object.
   return NULL;
 }