Implement inlining of constructor calls.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 965a2bb6bc60faae7a9a7bf749c01439fbcb05ec..62da8aa3cda341a588d95cd071e8c3d5b8efc1c2 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -995,10 +995,11 @@ LEnvironment* LChunkBuilder::CreateEnvironment(
   LEnvironment* outer =
       CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator);
   int ast_id = hydrogen_env->ast_id();
-  ASSERT(ast_id != AstNode::kNoNumber || hydrogen_env->is_arguments_adaptor());
+  ASSERT(ast_id != AstNode::kNoNumber ||
+         hydrogen_env->frame_type() != JS_FUNCTION);
   int value_count = hydrogen_env->length();
   LEnvironment* result = new LEnvironment(hydrogen_env->closure(),
-                                          hydrogen_env->is_arguments_adaptor(),
+                                          hydrogen_env->frame_type(),
                                           ast_id,
                                           hydrogen_env->parameter_count(),
                                           argument_count_,
@@ -1020,7 +1021,7 @@ LEnvironment* LChunkBuilder::CreateEnvironment(
     result->AddValue(op, value->representation());
   }
 
-  if (!hydrogen_env->is_arguments_adaptor()) {
+  if (hydrogen_env->frame_type() == JS_FUNCTION) {
     *argument_index_accumulator = argument_index;
   }
 
@@ -2094,6 +2095,12 @@ LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) {
+  LAllocateObject* result = new LAllocateObject();
+  return AssignPointerMap(DefineAsRegister(result));
+}
+
+
 LInstruction* LChunkBuilder::DoArrayLiteral(HArrayLiteral* instr) {
   return MarkAsCall(DefineFixed(new LArrayLiteral, rax), instr);
 }
@@ -2247,7 +2254,8 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
                                                instr->arguments_count(),
                                                instr->function(),
                                                undefined,
-                                               instr->call_kind());
+                                               instr->call_kind(),
+                                               instr->is_construct());
   current_block_->UpdateEnvironment(inner);
   chunk_->AddInlinedClosure(instr->closure());
   return NULL;