1 files changed, 14 insertions, 0 deletions
diff --git a/Userland/Libraries/LibJS/Bytecode/Op.h b/Userland/Libraries/LibJS/Bytecode/Op.h
index 73e792c1df..e270003ee9 100644
--- a/Userland/Libraries/LibJS/Bytecode/Op.h
+++ b/Userland/Libraries/LibJS/Bytecode/Op.h
@@ -14,6 +14,7 @@
 #include <LibJS/Bytecode/Register.h>
 #include <LibJS/Bytecode/StringTable.h>
 #include <LibJS/Heap/Cell.h>
+#include <LibJS/Runtime/ScopeObject.h>
 #include <LibJS/Runtime/Value.h>
 
 namespace JS::Bytecode::Op {
@@ -453,6 +454,19 @@ public:
 private:
     Label m_resume_target;
 };
+
+class PushLexicalEnvironment final : public Instruction {
+public:
+    PushLexicalEnvironment(HashMap<u32, Variable> variables)
+        : Instruction(Type::PushLexicalEnvironment)
+        , m_variables(move(variables))
+    {
+    }
+    void execute(Bytecode::Interpreter&) const;
+    String to_string(Bytecode::Executable const&) const;
+
+    HashMap<u32, Variable> m_variables;
+};
 }
 
 namespace JS::Bytecode {