[stubs] Remove the is_jsarray bit from the TransitionElementsKindStub.

src/crankshaft/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/crankshaft/x64/lithium-codegen-x64.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 4278 matching lines @@
     __ Move(new_map_reg, to_map, RelocInfo::EMBEDDED_OBJECT);
     __ movp(FieldOperand(object_reg, HeapObject::kMapOffset), new_map_reg);
     // Write barrier.
     __ RecordWriteForMap(object_reg, new_map_reg, ToRegister(instr->temp()),
                          kDontSaveFPRegs);
   } else {
     DCHECK(object_reg.is(rax));
     DCHECK(ToRegister(instr->context()).is(rsi));
     PushSafepointRegistersScope scope(this);
     __ Move(rbx, to_map);
-    bool is_js_array = from_map->instance_type() == JS_ARRAY_TYPE;
-    TransitionElementsKindStub stub(isolate(), from_kind, to_kind, is_js_array);
+    TransitionElementsKindStub stub(isolate(), from_kind, to_kind);
     __ CallStub(&stub);
     RecordSafepointWithLazyDeopt(instr, RECORD_SAFEPOINT_WITH_REGISTERS, 0);
   }
   __ bind(&not_applicable);
 }
 
 
 void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) {
   Register object = ToRegister(instr->object());
   Register temp = ToRegister(instr->temp());
@@ skipping 1283 matching lines @@
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64