From 4934d16397877028fc3a126e3630b7b853a762f4 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Fri, 4 Jun 2021 11:38:17 +0200
Subject: [PATCH] LibJS: Make Bytecode::Generator::emit() return the created
 instruction

This will be useful for instructions that need to be modified later on
during code generation, e.g jumps. :^)
---
 Userland/Libraries/LibJS/Bytecode/Generator.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibJS/Bytecode/Generator.h b/Userland/Libraries/LibJS/Bytecode/Generator.h
index ed4fa05818..f5dcee15d3 100644
--- a/Userland/Libraries/LibJS/Bytecode/Generator.h
+++ b/Userland/Libraries/LibJS/Bytecode/Generator.h
@@ -18,10 +18,12 @@ public:
     Register allocate_register();
 
     template<typename OpType, typename... Args>
-    void emit(Args&&... args)
+    OpType& emit(Args&&... args)
     {
         auto instruction = make<OpType>(forward<Args>(args)...);
+        auto* ptr = instruction.ptr();
         append(move(instruction));
+        return *ptr;
     }
 
 private: