[compiler] Sanitize entry points to LookupSlot access.

src/compiler/bytecode-graph-builder.h

Index: src/compiler/bytecode-graph-builder.h
diff --git a/src/compiler/bytecode-graph-builder.h b/src/compiler/bytecode-graph-builder.h
index d57fc8d4f8f6f29e9e89217f19b447cd26669901..caa07f1425f88b440ad9d0411e7edff45d9078b2 100644
--- a/src/compiler/bytecode-graph-builder.h
+++ b/src/compiler/bytecode-graph-builder.h
@@ -40,12 +40,6 @@ class BytecodeGraphBuilder {
   // Get or create the node that represents the incoming new target value.
   Node* GetNewTarget();
 
-  // Builder for accessing a (potentially immutable) object field.
-  Node* BuildLoadImmutableObjectField(Node* object, int offset);
-
-  // Builder for accessing type feedback vector.
-  Node* BuildLoadFeedbackVector();
-
   // Builder for loading the a native context field.
   Node* BuildLoadNativeContextField(int index);