LibJS: Work-in-progress JIT compiler :^)

Author: https://github.com/awesomekling
Commit: babdc0a25b
Pull-request: https://github.com/SerenityOS/serenity/pull/21619
Reviewed-by: https://github.com/Hendiadyoin1

Userland/Libraries/LibJS/Bytecode/Interpreter.h

@@ -80,6 +80,9 @@ public:
 
     void visit_edges(Cell::Visitor&);
 
+    Span<Value> registers() { return m_current_call_frame; }
+    ReadonlySpan<Value> registers() const { return m_current_call_frame; }
+
 private:
     void run_bytecode();
 
@@ -93,9 +96,6 @@ private:
         return const_cast<Interpreter*>(this)->call_frame();
     }
 
-    Span<Value> registers() { return m_current_call_frame; }
-    ReadonlySpan<Value> registers() const { return m_current_call_frame; }
-
     void push_call_frame(Variant<NonnullOwnPtr<CallFrame>, CallFrame*>, size_t register_count);
     [[nodiscard]] Variant<NonnullOwnPtr<CallFrame>, CallFrame*> pop_call_frame();