Removed flag optimize-constructed-arrays.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 09b76e42bd3e20f60c8ec1e6c2a1a409e2765391..42d755860b9fa388d6abcd31e597a00af4978c8d 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -3872,11 +3872,9 @@ void LCodeGen::DoCallNew(LCallNew* instr) {
   ASSERT(ToRegister(instr->result()).is(rax));
 
   __ Set(rax, instr->arity());
-  if (FLAG_optimize_constructed_arrays) {
-    // No cell in ebx for construct type feedback in optimized code
-    Handle<Object> undefined_value(isolate()->factory()->undefined_value());
-    __ Move(rbx, undefined_value);
-  }
+  // No cell in ebx for construct type feedback in optimized code
+  Handle<Object> undefined_value(isolate()->factory()->undefined_value());
+  __ Move(rbx, undefined_value);
   CallConstructStub stub(NO_CALL_FUNCTION_FLAGS);
   CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr);
 }
@@ -3885,7 +3883,6 @@ void LCodeGen::DoCallNew(LCallNew* instr) {
 void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
   ASSERT(ToRegister(instr->constructor()).is(rdi));
   ASSERT(ToRegister(instr->result()).is(rax));
-  ASSERT(FLAG_optimize_constructed_arrays);
 
   __ Set(rax, instr->arity());
   __ Move(rbx, instr->hydrogen()->property_cell());