A64: Synchronize with r18581.

src/a64/lithium-a64.cc

Index: src/a64/lithium-a64.cc
diff --git a/src/a64/lithium-a64.cc b/src/a64/lithium-a64.cc
index 5f9a67f7931e8232ddb235ae9664940742ccd48f..d524d974e8884362728f2cc323a3999a888ee731 100644
--- a/src/a64/lithium-a64.cc
+++ b/src/a64/lithium-a64.cc
@@ -592,7 +592,7 @@ LOperand* LChunkBuilder::FixedTemp(DoubleRegister reg) {
 
 LPlatformChunk* LChunkBuilder::Build() {
   ASSERT(is_unused());
-  chunk_ = new(zone_) LPlatformChunk(info_, graph_);
+  chunk_ = new(zone()) LPlatformChunk(info_, graph_);
   LPhase phase("L_Building chunk", chunk_);
   status_ = BUILDING;
 
@@ -768,91 +768,6 @@ LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) {
 }
 
 
-LEnvironment* LChunkBuilder::CreateEnvironment(
-    HEnvironment* hydrogen_env,
-    int* argument_index_accumulator,
-    ZoneList<HValue*>* objects_to_materialize) {
-  if (hydrogen_env == NULL) return NULL;
-
-  LEnvironment* outer = CreateEnvironment(hydrogen_env->outer(),
-                                          argument_index_accumulator,
-                                          objects_to_materialize);
-  BailoutId ast_id = hydrogen_env->ast_id();
-  ASSERT(!ast_id.IsNone() || (hydrogen_env->frame_type() != JS_FUNCTION));
-  int value_count = hydrogen_env->length() - hydrogen_env->specials_count();
-
-  LEnvironment* result = new(zone()) LEnvironment(
-      hydrogen_env->closure(),
-      hydrogen_env->frame_type(),
-      ast_id,
-      hydrogen_env->parameter_count(),
-      argument_count(),
-      value_count,
-      outer,
-      hydrogen_env->entry(),
-      zone());
-
-  int argument_index = *argument_index_accumulator;
-  int object_index = objects_to_materialize->length();
-  for (int i = 0; i < hydrogen_env->length(); ++i) {
-    if (hydrogen_env->is_special_index(i)) continue;
-
-    LOperand* op;
-    HValue* value = hydrogen_env->values()->at(i);
-    if (value->IsArgumentsObject() || value->IsCapturedObject()) {
-      objects_to_materialize->Add(value, zone());
-      op = LEnvironment::materialization_marker();
-    } else if (value->IsPushArgument()) {
-      op = new(zone()) LArgument(argument_index++);
-    } else {
-      op = UseAny(value);
-    }
-    result->AddValue(op,
-                     value->representation(),
-                     value->CheckFlag(HInstruction::kUint32));
-  }
-
-  for (int i = object_index; i < objects_to_materialize->length(); ++i) {
-    HValue* object_to_materialize = objects_to_materialize->at(i);
-    int previously_materialized_object = -1;
-    for (int prev = 0; prev < i; ++prev) {
-      if (objects_to_materialize->at(prev) == objects_to_materialize->at(i)) {
-        previously_materialized_object = prev;
-        break;
-      }
-    }
-    int length = object_to_materialize->OperandCount();
-    bool is_arguments = object_to_materialize->IsArgumentsObject();
-    if (previously_materialized_object >= 0) {
-      result->AddDuplicateObject(previously_materialized_object);
-      continue;
-    } else {
-      result->AddNewObject(is_arguments ? length - 1 : length, is_arguments);
-    }
-    for (int i = is_arguments ? 1 : 0; i < length; ++i) {
-      LOperand* op;
-      HValue* value = object_to_materialize->OperandAt(i);
-      if (value->IsArgumentsObject() || value->IsCapturedObject()) {
-        objects_to_materialize->Add(value, zone());
-        op = LEnvironment::materialization_marker();
-      } else {
-        ASSERT(!value->IsPushArgument());
-        op = UseAny(value);
-      }
-      result->AddValue(op,
-                       value->representation(),
-                       value->CheckFlag(HInstruction::kUint32));
-    }
-  }
-
-  if (hydrogen_env->frame_type() == JS_FUNCTION) {
-    *argument_index_accumulator = argument_index;
-  }
-
-  return result;
-}
-
-
 LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) {
   // The control instruction marking the end of a block that completed
   // abruptly (e.g., threw an exception). There is nothing specific to do.
@@ -1508,8 +1423,7 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
                                                instr->arguments_count(),
                                                instr->function(),
                                                undefined,
-                                               instr->inlining_kind(),
-                                               instr->undefined_receiver());
+                                               instr->inlining_kind());
   // Only replay binding of arguments object if it wasn't removed from graph.
   if ((instr->arguments_var() != NULL) &&
       instr->arguments_object()->IsLinked()) {