[stubs] Remove the is_jsarray bit from the TransitionElementsKindStub.

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

 // Copyright 2014 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.
 
 #include "src/crankshaft/ppc/lithium-codegen-ppc.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/crankshaft/hydrogen-osr.h"
@@ skipping 4467 matching lines @@
     __ StoreP(new_map_reg, FieldMemOperand(object_reg, HeapObject::kMapOffset),
               r0);
     // Write barrier.
     __ RecordWriteForMap(object_reg, new_map_reg, scratch,
                          GetLinkRegisterState(), kDontSaveFPRegs);
   } else {
     DCHECK(ToRegister(instr->context()).is(cp));
     DCHECK(object_reg.is(r3));
     PushSafepointRegistersScope scope(this);
     __ Move(r4, 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);
     RecordSafepointWithRegisters(instr->pointer_map(), 0,
                                  Safepoint::kLazyDeopt);
   }
   __ bind(&not_applicable);
 }
 
 
 void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) {
   Register object = ToRegister(instr->object());
@@ skipping 1311 matching lines @@
   __ LoadP(result,
            FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize));
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8