Merge V8 5.3.332.45.  DO NOT MERGE

Test: Manual

FPIIM-449

Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/src/compiler/memory-optimizer.cc b/src/compiler/memory-optimizer.cc
index 59fd899..8c66347 100644
--- a/src/compiler/memory-optimizer.cc
+++ b/src/compiler/memory-optimizer.cc
@@ -87,6 +87,8 @@
       return VisitStoreField(node, state);
     case IrOpcode::kCheckedLoad:
     case IrOpcode::kCheckedStore:
+    case IrOpcode::kDeoptimizeIf:
+    case IrOpcode::kDeoptimizeUnless:
     case IrOpcode::kIfException:
     case IrOpcode::kLoad:
     case IrOpcode::kStore: