[compiler] Sanitize entry points to LookupSlot 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 64a791d496576a53a227f2ff47bc176e4eeed170..bb343b5c0477c6d1f80493dc36f923c089617e47 100644
--- a/src/compiler/js-operator.cc
+++ b/src/compiler/js-operator.cc
@@ -199,38 +199,6 @@ ContextAccess const& ContextAccessOf(Operator const* op) {
 }
 
 
-DynamicAccess::DynamicAccess(const Handle<String>& name, TypeofMode typeof_mode)
-    : name_(name), typeof_mode_(typeof_mode) {}
-
-
-bool operator==(DynamicAccess const& lhs, DynamicAccess const& rhs) {
-  UNIMPLEMENTED();
-  return true;
-}
-
-
-bool operator!=(DynamicAccess const& lhs, DynamicAccess const& rhs) {
-  return !(lhs == rhs);
-}
-
-
-size_t hash_value(DynamicAccess const& access) {
-  UNIMPLEMENTED();
-  return 0;
-}
-
-
-std::ostream& operator<<(std::ostream& os, DynamicAccess const& access) {
-  return os << Brief(*access.name()) << ", " << access.typeof_mode();
-}
-
-
-DynamicAccess const& DynamicAccessOf(Operator const* op) {
-  DCHECK_EQ(IrOpcode::kJSLoadDynamic, op->opcode());
-  return OpParameter<DynamicAccess>(op);
-}
-
-
 bool operator==(NamedAccess const& lhs, NamedAccess const& rhs) {
   return lhs.name().location() == rhs.name().location() &&
          lhs.language_mode() == rhs.language_mode() &&
@@ -854,17 +822,6 @@ const Operator* JSOperatorBuilder::StoreContext(size_t depth, size_t index) {
 }
 
 
-const Operator* JSOperatorBuilder::LoadDynamic(const Handle<String>& name,
-                                               TypeofMode typeof_mode) {
-  DynamicAccess access(name, typeof_mode);
-  return new (zone()) Operator1<DynamicAccess>(           // --
-      IrOpcode::kJSLoadDynamic, Operator::kNoProperties,  // opcode
-      "JSLoadDynamic",                                    // name
-      2, 1, 1, 1, 1, 2,                                   // counts
-      access);                                            // parameter
-}
-
-
 const Operator* JSOperatorBuilder::CreateArguments(CreateArgumentsType type) {
   return new (zone()) Operator1<CreateArgumentsType>(    // --
       IrOpcode::kJSCreateArguments, Operator::kNoThrow,  // opcode