First implementation of allocation elimination in Hydrogen.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 27679ebb47080a63dcc00d6de05d15eccd607df3..58fb40b42369093285fd521e163e00d84488d16f 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -10636,7 +10636,14 @@ void DeoptimizationInputData::DeoptimizationInputDataPrint(FILE* out) {
           break;
         }
 
-        case Translation::ARGUMENTS_OBJECT: {
+        case Translation::DUPLICATED_OBJECT: {
+          int object_index = iterator.Next();
+          PrintF(out, "{object_index=%d}", object_index);
+          break;
+        }
+
+        case Translation::ARGUMENTS_OBJECT:
+        case Translation::CAPTURED_OBJECT: {
           int args_length = iterator.Next();
           PrintF(out, "{length=%d}", args_length);
           break;