[strong] Implement strong property access semantics

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 47436fd86e21c4d3aeddb526ad090df9239e618a..7a89bd07f2beed0db6faf49c7539bc08e8870394 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -2209,7 +2209,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
       __ movp(load_receiver, Operand(rsp, kPointerSize));
       __ Move(LoadDescriptor::SlotRegister(),
               SmiFromSlot(expr->KeyedLoadFeedbackSlot()));
-      Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
+      Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
       CallIC(ic, TypeFeedbackId::None());
       __ movp(rdi, rax);
       __ movp(Operand(rsp, 2 * kPointerSize), rdi);
@@ -2377,7 +2377,7 @@ void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
   __ Move(LoadDescriptor::NameRegister(), key->value());
   __ Move(LoadDescriptor::SlotRegister(),
           SmiFromSlot(prop->PropertyFeedbackSlot()));
-  CallLoadIC(NOT_CONTEXTUAL);
+  CallLoadIC(NOT_CONTEXTUAL, language_mode());
 }
 
 
@@ -2389,13 +2389,14 @@ void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
   DCHECK(prop->IsSuperAccess());
 
   __ Push(key->value());
-  __ CallRuntime(Runtime::kLoadFromSuper, 3);
+  __ Push(Smi::FromInt(language_mode()));
+  __ CallRuntime(Runtime::kLoadFromSuper, 4);
 }
 
 
 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
   SetSourcePosition(prop->position());
-  Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
+  Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), language_mode()).code();
   __ Move(LoadDescriptor::SlotRegister(),
           SmiFromSlot(prop->PropertyFeedbackSlot()));
   CallIC(ic);
@@ -2404,9 +2405,10 @@ void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
 
 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
   // Stack: receiver, home_object, key.
+  __ Push(Smi::FromInt(language_mode()));
   SetSourcePosition(prop->position());
 
-  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
+  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 4);
 }
 
 
@@ -2895,6 +2897,7 @@ void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
   __ Push(rax);
   __ Push(Operand(rsp, kPointerSize * 2));
   __ Push(key->value());
+  __ Push(Smi::FromInt(language_mode()));
 
   // Stack here:
   //  - home_object
@@ -2902,7 +2905,8 @@ void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
   //  - this (receiver) <-- LoadFromSuper will pop here and below.
   //  - home_object
   //  - key
-  __ CallRuntime(Runtime::kLoadFromSuper, 3);
+  //  - language_mode
+  __ CallRuntime(Runtime::kLoadFromSuper, 4);
 
   // Replace home_object with target function.
   __ movp(Operand(rsp, kPointerSize), rax);
@@ -2952,6 +2956,7 @@ void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) {
   __ Push(rax);
   __ Push(Operand(rsp, kPointerSize * 2));
   VisitForStackValue(prop->key());
+  __ Push(Smi::FromInt(language_mode()));
 
   // Stack here:
   //  - home_object
@@ -2959,7 +2964,8 @@ void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) {
   //  - this (receiver) <-- LoadKeyedFromSuper will pop here and below.
   //  - home_object
   //  - key
-  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
+  //  - language_mode
+  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 4);
 
   // Replace home_object with target function.
   __ movp(Operand(rsp, kPointerSize), rax);