Implement fast literal support in Crankshaft.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index cdc3e233f2af91cd44dda1a594bec496a89bca40..43aeeed396400c12da23250289dd540f5887d314 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -1841,17 +1841,18 @@ HType HStringCharFromCode::CalculateInferredType() {
 }
 
 
-HType HArrayLiteral::CalculateInferredType() {
-  return HType::JSArray();
+HType HFastLiteral::CalculateInferredType() {
+  // TODO(mstarzinger): Be smarter, could also be JSArray here.
+  return HType::JSObject();
 }
 
 
-HType HObjectLiteralFast::CalculateInferredType() {
-  return HType::JSObject();
+HType HArrayLiteral::CalculateInferredType() {
+  return HType::JSArray();
 }
 
 
-HType HObjectLiteralGeneric::CalculateInferredType() {
+HType HObjectLiteral::CalculateInferredType() {
   return HType::JSObject();
 }