Revert of [strong] Implement strong mode restrictions on property access

src/x87/full-codegen-x87.cc

Index: src/x87/full-codegen-x87.cc
diff --git a/src/x87/full-codegen-x87.cc b/src/x87/full-codegen-x87.cc
index 3a3d14d4da8b138ec690cf9802b2ba4380bd5353..9798a50a4c98648bcb573223f14b461c647dfd18 100644
--- a/src/x87/full-codegen-x87.cc
+++ b/src/x87/full-codegen-x87.cc
@@ -2157,7 +2157,7 @@
       __ mov(load_receiver, Operand(esp, kPointerSize));
       __ mov(LoadDescriptor::SlotRegister(),
              Immediate(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
-      Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
+      Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
       CallIC(ic, TypeFeedbackId::None());
       __ mov(edi, eax);
       __ mov(Operand(esp, 2 * kPointerSize), edi);
@@ -2326,7 +2326,7 @@
   __ mov(LoadDescriptor::NameRegister(), Immediate(key->value()));
   __ mov(LoadDescriptor::SlotRegister(),
          Immediate(SmiFromSlot(prop->PropertyFeedbackSlot())));
-  CallLoadIC(NOT_CONTEXTUAL, language_mode());
+  CallLoadIC(NOT_CONTEXTUAL);
 }
 
 
@@ -2338,14 +2338,13 @@
   DCHECK(prop->IsSuperAccess());
 
   __ push(Immediate(key->value()));
-  __ push(Immediate(Smi::FromInt(language_mode())));
-  __ CallRuntime(Runtime::kLoadFromSuper, 4);
+  __ CallRuntime(Runtime::kLoadFromSuper, 3);
 }
 
 
 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
   SetSourcePosition(prop->position());
-  Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), language_mode()).code();
+  Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
   __ mov(LoadDescriptor::SlotRegister(),
          Immediate(SmiFromSlot(prop->PropertyFeedbackSlot())));
   CallIC(ic);
@@ -2354,10 +2353,9 @@
 
 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
   // Stack: receiver, home_object, key.
-  __ push(Immediate(Smi::FromInt(language_mode())));
   SetSourcePosition(prop->position());
 
-  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 4);
+  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
 }
 
 
@@ -2887,15 +2885,13 @@
   __ push(eax);
   __ push(Operand(esp, kPointerSize * 2));
   __ push(Immediate(key->value()));
-  __ push(Immediate(Smi::FromInt(language_mode())));
   // Stack here:
   //  - home_object
   //  - this (receiver)
   //  - this (receiver) <-- LoadFromSuper will pop here and below.
   //  - home_object
   //  - key
-  //  - language_mode
-  __ CallRuntime(Runtime::kLoadFromSuper, 4);
+  __ CallRuntime(Runtime::kLoadFromSuper, 3);
 
   // Replace home_object with target function.
   __ mov(Operand(esp, kPointerSize), eax);
@@ -2945,15 +2941,13 @@
   __ push(eax);
   __ push(Operand(esp, kPointerSize * 2));
   VisitForStackValue(prop->key());
-  __ push(Immediate(Smi::FromInt(language_mode())));
   // Stack here:
   //  - home_object
   //  - this (receiver)
   //  - this (receiver) <-- LoadKeyedFromSuper will pop here and below.
   //  - home_object
   //  - key
-  //  - language_mode
-  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 4);
+  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
 
   // Replace home_object with target function.
   __ mov(Operand(esp, kPointerSize), eax);