[strong] Implement strong mode restrictions on property access

src/compiler/js-operator.cc

Index: src/compiler/js-operator.cc
diff --git a/src/compiler/js-operator.cc b/src/compiler/js-operator.cc
index a360a279acb29116f8a6c4df027c8b162134268b..8bb298d6f55843097f86f581163cd575b1515517 100644
--- a/src/compiler/js-operator.cc
+++ b/src/compiler/js-operator.cc
@@ -460,8 +460,10 @@ const Operator* JSOperatorBuilder::CallConstruct(int arguments) {
 
 const Operator* JSOperatorBuilder::LoadNamed(const Unique<Name>& name,
                                              const VectorSlotPair& feedback,
+                                             LanguageMode language_mode,
                                              ContextualMode contextual_mode) {
-  LoadNamedParameters parameters(name, feedback, contextual_mode);
+  LoadNamedParameters parameters(name, feedback, language_mode,
+                                 contextual_mode);
   return new (zone()) Operator1<LoadNamedParameters>(   // --
       IrOpcode::kJSLoadNamed, Operator::kNoProperties,  // opcode
       "JSLoadNamed",                                    // name
@@ -470,9 +472,9 @@ const Operator* JSOperatorBuilder::LoadNamed(const Unique<Name>& name,
 }
 
 
-const Operator* JSOperatorBuilder::LoadProperty(
-    const VectorSlotPair& feedback) {
-  LoadPropertyParameters parameters(feedback);
+const Operator* JSOperatorBuilder::LoadProperty(const VectorSlotPair& feedback,
+                                                LanguageMode language_mode) {
+  LoadPropertyParameters parameters(feedback, language_mode);
   return new (zone()) Operator1<LoadPropertyParameters>(   // --
       IrOpcode::kJSLoadProperty, Operator::kNoProperties,  // opcode
       "JSLoadProperty",                                    // name