Implement inlining of constructor calls.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 7ae0b44a27634b0356983bbd82d1034284c8514c..1813b6be299d31d295ed9924f43bd0e1a1ebb160 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -1826,6 +1826,11 @@ HType HStringCharFromCode::CalculateInferredType() {
 }
 
 
+HType HAllocateObject::CalculateInferredType() {
+  return HType::JSObject();
+}
+
+
 HType HArrayLiteral::CalculateInferredType() {
   return HType::JSArray();
 }