Remove GenerateBooleanCheck() since we have a boolean map now.

src/arm64/stub-cache-arm64.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.
 
 #include "v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "ic-inl.h"
 #include "codegen.h"
@@ skipping 1118 matching lines @@
         masm(), receiver(), holder_reg, this->name(), interceptor_holder);
 
     ExternalReference ref =
         ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForLoad),
                           isolate());
     __ TailCallExternalReference(ref, StubCache::kInterceptorArgsLength, 1);
   }
 }
 
 
-void StubCompiler::GenerateBooleanCheck(Register object, Label* miss) {
-  UseScratchRegisterScope temps(masm());
-  // Check that the object is a boolean.
-  Register true_root = temps.AcquireX();
-  Register false_root = temps.AcquireX();
-  ASSERT(!AreAliased(object, true_root, false_root));
-  __ LoadTrueFalseRoots(true_root, false_root);
-  __ Cmp(object, true_root);
-  __ Ccmp(object, false_root, ZFlag, ne);
-  __ B(ne, miss);
-}
-
-
 Handle<Code> StoreStubCompiler::CompileStoreCallback(
     Handle<JSObject> object,
     Handle<JSObject> holder,
     Handle<Name> name,
     Handle<ExecutableAccessorInfo> callback) {
   ASM_LOCATION("StoreStubCompiler::CompileStoreCallback");
   Register holder_reg = HandlerFrontend(
       IC::CurrentTypeOf(object, isolate()), receiver(), holder, name);
 
   // Stub never generated for non-global objects that require access checks.
@@ skipping 334 matching lines @@
 
   // Miss case, call the runtime.
   __ Bind(&miss);
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64