LibJS: Bring the `super` keyword in line with the spec

This patch implements spec-compliant runtime semantics for the following
constructs:

- super.property
- super[property]

The MakeSuperPropertyReference AO is added to support this. :^)

1 files changed, 1 insertions, 0 deletions

diff --git a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
index 652fecbd2b..58f2aadee3 100644
--- a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
+++ b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
@@ -18,6 +18,7 @@ DeclarativeEnvironment* new_declarative_environment(Environment&);
 ObjectEnvironment* new_object_environment(Object&, bool is_with_environment, Environment*);
 Environment& get_this_environment(VM&);
 Object* get_super_constructor(VM&);
+Reference make_super_property_reference(GlobalObject&, Value actual_this, StringOrSymbol const& property_key, bool strict);
 Value require_object_coercible(GlobalObject&, Value);
 size_t length_of_array_like(GlobalObject&, Object const&);
 MarkedValueList create_list_from_array_like(GlobalObject&, Value, Function<Result<void, ErrorType>(Value)> = {});