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

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 79d38b807410ac3c6b4bc17e18bed965e2367bb7..a44e02dee47565c1ca95cd54f24bd07d6668fc41 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -2229,7 +2229,7 @@
       __ lw(load_name, MemOperand(sp, 2 * kPointerSize));
       __ li(LoadDescriptor::SlotRegister(),
             Operand(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
-      Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
+      Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
       CallIC(ic, TypeFeedbackId::None());
       __ mov(a0, v0);
       __ mov(a1, a0);
@@ -2400,7 +2400,7 @@
   __ li(LoadDescriptor::NameRegister(), Operand(key->value()));
   __ li(LoadDescriptor::SlotRegister(),
         Operand(SmiFromSlot(prop->PropertyFeedbackSlot())));
-  CallLoadIC(NOT_CONTEXTUAL, language_mode());
+  CallLoadIC(NOT_CONTEXTUAL);
 }
 
 
@@ -2412,14 +2412,13 @@
   DCHECK(prop->IsSuperAccess());
 
   __ Push(key->value());
-  __ Push(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();
   __ li(LoadDescriptor::SlotRegister(),
         Operand(SmiFromSlot(prop->PropertyFeedbackSlot())));
   CallIC(ic);
@@ -2428,10 +2427,9 @@
 
 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
   // Stack: receiver, home_object, key.
-  __ Push(Smi::FromInt(language_mode()));
   SetSourcePosition(prop->position());
 
-  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 4);
+  __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
 }
 
 
@@ -2977,7 +2975,6 @@
   VisitForAccumulatorValue(super_ref->this_var());
   __ Push(scratch, v0, v0, scratch);
   __ Push(key->value());
-  __ Push(Smi::FromInt(language_mode()));
 
   // Stack here:
   //  - home_object
@@ -2985,8 +2982,7 @@
   //  - 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.
   __ sw(v0, MemOperand(sp, kPointerSize));
@@ -3037,7 +3033,6 @@
   VisitForAccumulatorValue(super_ref->this_var());
   __ Push(scratch, v0, v0, scratch);
   VisitForStackValue(prop->key());
-  __ Push(Smi::FromInt(language_mode()));
 
   // Stack here:
   //  - home_object
@@ -3045,8 +3040,7 @@
   //  - 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.
   __ sw(v0, MemOperand(sp, kPointerSize));