Disable speculative LICM when it may lead to unnecessary deopts

src/ic.cc

Index: src/ic.cc
diff --git a/src/ic.cc b/src/ic.cc
index 5de1a2a4bce778f8bbc204e96280301a934229cc..9d62a0c1bdee62a24780eff7243ca386da29b018 100644
--- a/src/ic.cc
+++ b/src/ic.cc
@@ -320,13 +320,17 @@ void IC::PostPatching(Address address, Code* target, Code* old_target) {
     int delta = ComputeTypeInfoCountDelta(old_target->ic_state(),
                                           target->ic_state());
     // Not all Code objects have TypeFeedbackInfo.
-    if (delta != 0 && host->type_feedback_info()->IsTypeFeedbackInfo()) {
+    if (host->type_feedback_info()->IsTypeFeedbackInfo() && delta != 0) {
       TypeFeedbackInfo* info =
           TypeFeedbackInfo::cast(host->type_feedback_info());
-      info->set_ic_with_type_info_count(
-          info->ic_with_type_info_count() + delta);
+      info->change_ic_with_type_info_count(delta);
     }
   }
+  if (host->type_feedback_info()->IsTypeFeedbackInfo()) {
+    TypeFeedbackInfo* info =
+        TypeFeedbackInfo::cast(host->type_feedback_info());
+    info->change_own_type_change_checksum();
+  }
   if (FLAG_watch_ic_patching) {
     host->set_profiler_ticks(0);
     Isolate::Current()->runtime_profiler()->NotifyICChanged();