MIPS: Compile FastCloneShallowObjectStub using Crankshaft.

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index 03f2774f48c359ab16ca4583c1e55706d36ffaba..5f44e539d4c2ca10014c5e3fa664fcb6d7da60bd 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -1587,7 +1587,7 @@ void FullCodeGenerator::EmitAccessor(Expression* expression) {
 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
   Comment cmnt(masm_, "[ ObjectLiteral");
   Handle<FixedArray> constant_properties = expr->constant_properties();
-  __ lw(a3, MemOperand(fp,  JavaScriptFrameConstants::kFunctionOffset));
+  __ lw(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
   __ lw(a3, FieldMemOperand(a3, JSFunction::kLiteralsOffset));
   __ li(a2, Operand(Smi::FromInt(expr->literal_index())));
   __ li(a1, Operand(constant_properties));
@@ -1598,12 +1598,13 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
       ? ObjectLiteral::kHasFunction
       : ObjectLiteral::kNoFlags;
   __ li(a0, Operand(Smi::FromInt(flags)));
-  __ Push(a3, a2, a1, a0);
   int properties_count = constant_properties->length() / 2;
   if (expr->depth() > 1) {
+    __ Push(a3, a2, a1, a0);
     __ CallRuntime(Runtime::kCreateObjectLiteral, 4);
-  } else if (flags != ObjectLiteral::kFastElements ||
+  } else if (Serializer::enabled() || flags != ObjectLiteral::kFastElements ||
       properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) {
+    __ Push(a3, a2, a1, a0);
     __ CallRuntime(Runtime::kCreateObjectLiteralShallow, 4);
   } else {
     FastCloneShallowObjectStub stub(properties_count);