Revert r12342 "Flush monomorphic ICs on context disposal instead of context exit." because of canar…

src/objects-visiting-inl.h

Index: src/objects-visiting-inl.h
diff --git a/src/objects-visiting-inl.h b/src/objects-visiting-inl.h
index 1f1033fecc0be0b28b9f50f19877a977a7469ea9..856ae06b7b133bb126371b40fbc42b9eed43b176 100644
--- a/src/objects-visiting-inl.h
+++ b/src/objects-visiting-inl.h
@@ -217,8 +217,9 @@ void StaticMarkingVisitor<StaticVisitor>::VisitCodeTarget(
   // when they might be keeping a Context alive, or when the heap is about
   // to be serialized.
   if (FLAG_cleanup_code_caches_at_gc && target->is_inline_cache_stub()
-      && (target->ic_state() == MEGAMORPHIC || heap->flush_monomorphic_ics() ||
-          Serializer::enabled() || target->ic_age() != heap->global_ic_age())) {
+      && (target->ic_state() == MEGAMORPHIC || Serializer::enabled() ||
+          heap->isolate()->context_exit_happened() ||
+          target->ic_age() != heap->global_ic_age())) {
     IC::Clear(rinfo->pc());
     target = Code::GetCodeFromTargetAddress(rinfo->target_address());
   }