[es6] Support super.property in eval and arrow functions

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index df1d0930879dbdda7d27cdac1946d5cbd79cead4..414935cb0ddfeb0dede2a548e0e54af9c77fb015 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -251,6 +251,11 @@ void FullCodeGenerator::Generate() {
     }
   }
 
+  Variable* home_object_var = scope()->home_object_var();
+  if (home_object_var != nullptr) {
+    __ Push(a1);
+  }
+
   ArgumentsAccessStub::HasNewTarget has_new_target =
       IsSubclassConstructor(info->function()->kind())
           ? ArgumentsAccessStub::HAS_NEW_TARGET
@@ -317,6 +322,19 @@ void FullCodeGenerator::Generate() {
     SetVar(arguments, v0, a1, a2);
   }
 
+  // Possibly set up a local binding to the [[HomeObject]].
+  if (home_object_var != nullptr) {
+    Comment cmnt(masm_, "[ Home object");
+    __ Pop(LoadDescriptor::ReceiverRegister());
+    Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol());
+    __ li(LoadDescriptor::NameRegister(), Operand(home_object_symbol));
+    __ li(LoadDescriptor::SlotRegister(),
+          Operand(SmiFromSlot(function()->HomeObjectFeedbackSlot())));
+    CallLoadIC(NOT_CONTEXTUAL);
+
+    SetVar(home_object_var, v0, a1, a2);
+  }
+
   if (FLAG_trace) {
     __ CallRuntime(Runtime::kTraceEnter, 0);
   }
@@ -1313,26 +1331,6 @@ void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) {
 }
 
 
-void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) {
-  Comment cnmt(masm_, "[ SuperReference ");
-
-  __ lw(LoadDescriptor::ReceiverRegister(),
-        MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
-
-  Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol());
-  __ li(LoadDescriptor::NameRegister(), home_object_symbol);
-
-  __ li(LoadDescriptor::SlotRegister(),
-        Operand(SmiFromSlot(expr->HomeObjectFeedbackSlot())));
-  CallLoadIC(NOT_CONTEXTUAL);
-
-  Label done;
-  __ Branch(&done, ne, v0, Operand(isolate()->factory()->undefined_value()));
-  __ CallRuntime(Runtime::kThrowNonMethodError, 0);
-  __ bind(&done);
-}
-
-
 void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer,
                                                   int offset) {
   if (NeedsHomeObject(initializer)) {
@@ -1942,7 +1940,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
       break;
     case NAMED_SUPER_PROPERTY:
       VisitForStackValue(property->obj()->AsSuperReference()->this_var());
-      EmitLoadHomeObject(property->obj()->AsSuperReference());
+      VisitForAccumulatorValue(
+          property->obj()->AsSuperReference()->home_object_var());
       __ Push(result_register());
       if (expr->is_compound()) {
         const Register scratch = a1;
@@ -1953,7 +1952,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
     case KEYED_SUPER_PROPERTY: {
       const Register scratch = a1;
       VisitForStackValue(property->obj()->AsSuperReference()->this_var());
-      EmitLoadHomeObject(property->obj()->AsSuperReference());
+      VisitForAccumulatorValue(
+          property->obj()->AsSuperReference()->home_object_var());
       __ Move(scratch, result_register());
       VisitForAccumulatorValue(property->key());
       __ Push(scratch, result_register());
@@ -2586,7 +2586,8 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) {
     case NAMED_SUPER_PROPERTY: {
       __ Push(v0);
       VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
-      EmitLoadHomeObject(prop->obj()->AsSuperReference());
+      VisitForAccumulatorValue(
+          prop->obj()->AsSuperReference()->home_object_var());
       // stack: value, this; v0: home_object
       Register scratch = a2;
       Register scratch2 = a3;
@@ -2602,8 +2603,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) {
     case KEYED_SUPER_PROPERTY: {
       __ Push(v0);
       VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
-      EmitLoadHomeObject(prop->obj()->AsSuperReference());
-      __ Push(result_register());
+      VisitForStackValue(prop->obj()->AsSuperReference()->home_object_var());
       VisitForAccumulatorValue(prop->key());
       Register scratch = a2;
       Register scratch2 = a3;
@@ -2820,8 +2820,7 @@ void FullCodeGenerator::VisitProperty(Property* expr) {
       EmitNamedPropertyLoad(expr);
     } else {
       VisitForStackValue(expr->obj()->AsSuperReference()->this_var());
-      EmitLoadHomeObject(expr->obj()->AsSuperReference());
-      __ Push(result_register());
+      VisitForStackValue(expr->obj()->AsSuperReference()->home_object_var());
       EmitNamedSuperPropertyLoad(expr);
     }
   } else {
@@ -2833,8 +2832,7 @@ void FullCodeGenerator::VisitProperty(Property* expr) {
       EmitKeyedPropertyLoad(expr);
     } else {
       VisitForStackValue(expr->obj()->AsSuperReference()->this_var());
-      EmitLoadHomeObject(expr->obj()->AsSuperReference());
-      __ Push(result_register());
+      VisitForStackValue(expr->obj()->AsSuperReference()->home_object_var());
       VisitForStackValue(expr->key());
       EmitKeyedSuperPropertyLoad(expr);
     }
@@ -2897,7 +2895,7 @@ void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
   // Load the function from the receiver.
   const Register scratch = a1;
   SuperReference* super_ref = prop->obj()->AsSuperReference();
-  EmitLoadHomeObject(super_ref);
+  VisitForAccumulatorValue(super_ref->home_object_var());
   __ mov(scratch, v0);
   VisitForAccumulatorValue(super_ref->this_var());
   __ Push(scratch, v0, v0, scratch);
@@ -2955,7 +2953,7 @@ void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) {
   // Load the function from the receiver.
   const Register scratch = a1;
   SuperReference* super_ref = prop->obj()->AsSuperReference();
-  EmitLoadHomeObject(super_ref);
+  VisitForAccumulatorValue(super_ref->home_object_var());
   __ Move(scratch, v0);
   VisitForAccumulatorValue(super_ref->this_var());
   __ Push(scratch, v0, v0, scratch);
@@ -4827,7 +4825,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
       case NAMED_SUPER_PROPERTY: {
         VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
-        EmitLoadHomeObject(prop->obj()->AsSuperReference());
+        VisitForAccumulatorValue(
+            prop->obj()->AsSuperReference()->home_object_var());
         __ Push(result_register());
         const Register scratch = a1;
         __ lw(scratch, MemOperand(sp, kPointerSize));
@@ -4838,7 +4837,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
       case KEYED_SUPER_PROPERTY: {
         VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
-        EmitLoadHomeObject(prop->obj()->AsSuperReference());
+        VisitForAccumulatorValue(
+            prop->obj()->AsSuperReference()->home_object_var());
         const Register scratch = a1;
         const Register scratch1 = t0;
         __ Move(scratch, result_register());