Replace HCheckPrototypeMaps by explicit map checks of constant values.

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index cb5f2b79009d756eebdf14afaa17900acd4eb019..329e74733e470e73e079a247024b169df9a9aea8 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -366,9 +366,12 @@ void Map::SharedMapVerify() {
 }
 
 
-void Map::VerifyOmittedPrototypeChecks() {
-  if (!FLAG_omit_prototype_checks_for_leaf_maps) return;
-  if (HasTransitionArray() || is_dictionary_map()) {
+void Map::VerifyOmittedMapChecks() {
+  if (!FLAG_omit_map_checks_for_leaf_maps) return;
+  if (!is_stable() ||
+      is_deprecated() ||
+      HasTransitionArray() ||
+      is_dictionary_map()) {
     CHECK_EQ(0, dependent_code()->number_of_entries(
         DependentCode::kPrototypeCheckGroup));
   }