Revert 1469 and 1472 due to a bug with array literals.

src/codegen-arm.cc

Index: src/codegen-arm.cc
===================================================================
--- src/codegen-arm.cc	(revision 1510)
+++ src/codegen-arm.cc	(working copy)
@@ -2612,7 +2612,7 @@
 
 
 // This deferred code stub will be used for creating the boilerplate
-// by calling Runtime_CreateObjectLiteralBoilerplate.
+// by calling Runtime_CreateObjectLiteral.
 // Each created boilerplate is stored in the JSFunction and they are
 // therefore context dependent.
 class DeferredObjectLiteral: public DeferredCode {
@@ -2686,7 +2686,7 @@
   frame_->EmitPush(r2);
 
   // Clone the boilerplate object.
-  frame_->CallRuntime(Runtime::kCloneLiteralBoilerplate, 1);
+  frame_->CallRuntime(Runtime::kCloneObjectLiteralBoilerplate, 1);
   frame_->EmitPush(r0);  // save the result
   // r0: cloned object literal
 
@@ -2695,11 +2695,7 @@
     Literal* key = property->key();
     Expression* value = property->value();
     switch (property->kind()) {
-      case ObjectLiteral::Property::CONSTANT:
-        break;
-      case ObjectLiteral::Property::MATERIALIZED_LITERAL:
-        if (property->value()->AsMaterializedLiteral()->is_simple()) break;
-        // else fall through
+      case ObjectLiteral::Property::CONSTANT: break;
       case ObjectLiteral::Property::COMPUTED:  // fall through
       case ObjectLiteral::Property::PROTOTYPE: {
         frame_->EmitPush(r0);  // dup the result
@@ -2736,49 +2732,6 @@
 }
 
 
-// This deferred code stub will be used for creating the boilerplate
-// by calling Runtime_CreateArrayLiteralBoilerplate.
-// Each created boilerplate is stored in the JSFunction and they are
-// therefore context dependent.
-class DeferredArrayLiteral: public DeferredCode {
- public:
-  DeferredArrayLiteral(CodeGenerator* generator, ArrayLiteral* node)
-      : DeferredCode(generator), node_(node) {
-    set_comment("[ DeferredArrayLiteral");
-  }
-
-  virtual void Generate();
-
- private:
-  ArrayLiteral* node_;
-};
-
-
-void DeferredArrayLiteral::Generate() {
-  // Argument is passed in r1.
-  enter()->Bind();
-  VirtualFrame::SpilledScope spilled_scope(generator());
-
-  // If the entry is undefined we call the runtime system to computed
-  // the literal.
-
-  VirtualFrame* frame = generator()->frame();
-  // Literal array (0).
-  frame->EmitPush(r1);
-  // Literal index (1).
-  __ mov(r0, Operand(Smi::FromInt(node_->literal_index())));
-  frame->EmitPush(r0);
-  // Constant properties (2).
-  __ mov(r0, Operand(node_->literals()));
-  frame->EmitPush(r0);
-  Result boilerplate =
-      frame->CallRuntime(Runtime::kCreateArrayLiteralBoilerplate, 3);
-  __ mov(r2, Operand(boilerplate.reg()));
-  // Result is returned in r2.
-  exit_.Jump();
-}
-
-
 void CodeGenerator::VisitArrayLiteral(ArrayLiteral* node) {
 #ifdef DEBUG
   int original_height = frame_->height();
@@ -2786,35 +2739,18 @@
   VirtualFrame::SpilledScope spilled_scope(this);
   Comment cmnt(masm_, "[ ArrayLiteral");
 
-  DeferredArrayLiteral* deferred = new DeferredArrayLiteral(this, node);
+  // Call runtime to create the array literal.
+  __ mov(r0, Operand(node->literals()));
+  frame_->EmitPush(r0);
+  // Load the function of this frame.
+  __ ldr(r0, frame_->Function());
+  __ ldr(r0, FieldMemOperand(r0, JSFunction::kLiteralsOffset));
+  frame_->EmitPush(r0);
+  frame_->CallRuntime(Runtime::kCreateArrayLiteral, 2);
 
-  // Retrieve the literal array and check the allocated entry.
+  // Push the resulting array literal on the stack.
+  frame_->EmitPush(r0);
 
-  // Load the function of this activation.
-  __ ldr(r1, frame_->Function());
-
-  // Load the literals array of the function.
-  __ ldr(r1, FieldMemOperand(r1, JSFunction::kLiteralsOffset));
-
-  // Load the literal at the ast saved index.
-  int literal_offset =
-      FixedArray::kHeaderSize + node->literal_index() * kPointerSize;
-  __ ldr(r2, FieldMemOperand(r1, literal_offset));
-
-  // Check whether we need to materialize the object literal boilerplate.
-  // If so, jump to the deferred code.
-  __ cmp(r2, Operand(Factory::undefined_value()));
-  deferred->enter()->Branch(eq);
-  deferred->BindExit();
-
-  // Push the object literal boilerplate.
-  frame_->EmitPush(r2);
-
-  // Clone the boilerplate object.
-  frame_->CallRuntime(Runtime::kCloneLiteralBoilerplate, 1);
-  frame_->EmitPush(r0);  // save the result
-  // r0: cloned object literal
-
   // Generate code to set the elements in the array that are not
   // literals.
   for (int i = 0; i < node->values()->length(); i++) {