[compiler] Sanitize entry points to LookupSlot access.

src/compiler/ast-graph-builder.h

Index: src/compiler/ast-graph-builder.h
diff --git a/src/compiler/ast-graph-builder.h b/src/compiler/ast-graph-builder.h
index 4bbbc795059933626aefe5b0f3ff2c3c27e5a6b0..9bc92c3a8c0bb5bfda643d97969e6e50ac6349a0 100644
--- a/src/compiler/ast-graph-builder.h
+++ b/src/compiler/ast-graph-builder.h
@@ -317,10 +317,6 @@ class AstGraphBuilder : public AstVisitor {
   // Builders for accessing the function context.
   Node* BuildLoadGlobalObject();
   Node* BuildLoadNativeContextField(int index);
-  Node* BuildLoadFeedbackVector();
-
-  // Builder for accessing a (potentially immutable) object field.
-  Node* BuildLoadImmutableObjectField(Node* object, int offset);
 
   // Builders for automatic type conversion.
   Node* BuildToBoolean(Node* input, TypeFeedbackId feedback_id);