Implement crankshaft support for nested object literals.

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index 74e53aec78f48507ff7e0ae211d573a595cde284..2e48f4b288182a10049a7f7fa3b48fae799b3fb8 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -128,7 +128,8 @@ class LCodeGen;
   V(NumberTagD)                                 \
   V(NumberTagI)                                 \
   V(NumberUntagD)                               \
-  V(ObjectLiteral)                              \
+  V(ObjectLiteralFast)                          \
+  V(ObjectLiteralGeneric)                       \
   V(OsrEntry)                                   \
   V(OuterContext)                               \
   V(Parameter)                                  \
@@ -1960,16 +1961,29 @@ class LArrayLiteral: public LTemplateInstruction<1, 1, 0> {
 };
 
 
-class LObjectLiteral: public LTemplateInstruction<1, 1, 0> {
+class LObjectLiteralFast: public LTemplateInstruction<1, 1, 0> {
  public:
-  explicit LObjectLiteral(LOperand* context) {
+  explicit LObjectLiteralFast(LOperand* context) {
     inputs_[0] = context;
   }
 
   LOperand* context() { return inputs_[0]; }
 
-  DECLARE_CONCRETE_INSTRUCTION(ObjectLiteral, "object-literal")
-  DECLARE_HYDROGEN_ACCESSOR(ObjectLiteral)
+  DECLARE_CONCRETE_INSTRUCTION(ObjectLiteralFast, "object-literal-fast")
+  DECLARE_HYDROGEN_ACCESSOR(ObjectLiteralFast)
+};
+
+
+class LObjectLiteralGeneric: public LTemplateInstruction<1, 1, 0> {
+ public:
+  explicit LObjectLiteralGeneric(LOperand* context) {
+    inputs_[0] = context;
+  }
+
+  LOperand* context() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(ObjectLiteralGeneric, "object-literal-generic")
+  DECLARE_HYDROGEN_ACCESSOR(ObjectLiteralGeneric)
 };