[stubs] Remove the is_jsarray bit from the TransitionElementsKindStub.

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

 // Copyright 2012 the V8 project authors. All rights reserved.7
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 4142 matching lines @@
     __ RecordWriteForMap(object_reg,
                          new_map_reg,
                          scratch,
                          GetRAState(),
                          kDontSaveFPRegs);
   } else {
     DCHECK(object_reg.is(a0));
     DCHECK(ToRegister(instr->context()).is(cp));
     PushSafepointRegistersScope scope(this);
     __ li(a1, Operand(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 1374 matching lines @@
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8