Return a valid map for PropertyAccessInfos with Boolean type.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 508912eff9988a8a2ac1a1e65cd6fb58372eda4d..a1676f7590d07ba4bad7ee794cdff0720e4135d9 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -2291,6 +2291,10 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
         Context* context = current_info()->closure()->context();
         context = context->native_context();
         return handle(context->number_function()->initial_map());
+      } else if (type_->Is(HeapType::Boolean())) {
+        Context* context = current_info()->closure()->context();
+        context = context->native_context();
+        return handle(context->boolean_function()->initial_map());
       } else if (type_->Is(HeapType::String())) {
         Context* context = current_info()->closure()->context();
         context = context->native_context();