Change Bool::Get to return a handle instead of a pointer to a raw object.

runtime/vm/code_generator.cc

Index: runtime/vm/code_generator.cc
diff --git a/runtime/vm/code_generator.cc b/runtime/vm/code_generator.cc
index 48a29a9b7005ae88ff2799cfd51d375d96ff110f..b80d822bdba647fc1906d2b8e95fbcb92f32a76a 100644
--- a/runtime/vm/code_generator.cc
+++ b/runtime/vm/code_generator.cc
@@ -565,9 +565,9 @@ DEFINE_RUNTIME_ENTRY(Instanceof, 5) {
   ASSERT(type.IsFinalized());
   Error& malformed_error = Error::Handle();
   const Bool& result =
-      instance.IsInstanceOf(type,
-                            instantiator_type_arguments,
-                            &malformed_error) ? Bool::True() : Bool::False();
+      Bool::Get(instance.IsInstanceOf(type,
+                                      instantiator_type_arguments,
+                                      &malformed_error));
   if (FLAG_trace_type_checks) {
     PrintTypeCheck("InstanceOf",
         instance, type, instantiator_type_arguments, result);
@@ -621,7 +621,7 @@ DEFINE_RUNTIME_ENTRY(TypeCheck, 6) {
   if (FLAG_trace_type_checks) {
     PrintTypeCheck("TypeCheck",
                    src_instance, dst_type, instantiator_type_arguments,
-                   is_instance_of ? Bool::True() : Bool::False());
+                   Bool::Get(is_instance_of));
   }
   if (!is_instance_of) {
     // Throw a dynamic type error.