Rollback of r11118, r11109 in trunk branch.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index f48e08efcbca5e345428fa08a677e4b7713df0b9..cdc1947d4e16bfd969987bed0442da731eb05ead 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -1077,8 +1077,7 @@ LInstruction* LChunkBuilder::DoArgumentsLength(HArgumentsLength* instr) {
 
 
 LInstruction* LChunkBuilder::DoArgumentsElements(HArgumentsElements* elems) {
-  return DefineAsRegister(new(zone()) LArgumentsElements(
-      current_block_->last_environment()->outer() != NULL));
+  return DefineAsRegister(new(zone()) LArgumentsElements);
 }
 
 
@@ -2272,9 +2271,6 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
                                                undefined,
                                                instr->call_kind(),
                                                instr->is_construct());
-  if (instr->materializes_arguments()) {
-    inner->Bind(instr->arguments(), graph()->GetArgumentsObject());
-  }
   current_block_->UpdateEnvironment(inner);
   chunk_->AddInlinedClosure(instr->closure());
   return NULL;
@@ -2282,21 +2278,10 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
 
 
 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
-  LInstruction* pop = NULL;
-
-  HEnvironment* env = current_block_->last_environment();
-
-  if (instr->arguments_pushed()) {
-    int argument_count = env->arguments_environment()->parameter_count();
-    pop = new(zone()) LPop(argument_count);
-    argument_count_ -= argument_count;
-  }
-
   HEnvironment* outer = current_block_->last_environment()->
       DiscardInlined(false);
   current_block_->UpdateEnvironment(outer);
-
-  return pop;
+  return NULL;
 }