From 9e2edc3085af321cdc7240db43bb5fa001d510d8 Mon Sep 17 00:00:00 2001
From: Simon Wanner <simon+git@skyrising.xyz>
Date: Sun, 29 Oct 2023 16:09:44 +0100
Subject: [PATCH] LibJS/JIT: Compile the ThrowIfNotObject instruction

---
 Userland/Libraries/LibJS/JIT/Compiler.cpp | 14 ++++++++++++++
 Userland/Libraries/LibJS/JIT/Compiler.h   |  3 ++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibJS/JIT/Compiler.cpp b/Userland/Libraries/LibJS/JIT/Compiler.cpp
index 10ca6bcd23..ed1ee3293f 100644
--- a/Userland/Libraries/LibJS/JIT/Compiler.cpp
+++ b/Userland/Libraries/LibJS/JIT/Compiler.cpp
@@ -1241,6 +1241,20 @@ void Compiler::compile_iterator_result_done(Bytecode::Op::IteratorResultDone con
     check_exception();
 }
 
+static Value cxx_throw_if_not_object(VM& vm, Value value)
+{
+    if (!value.is_object())
+        TRY_OR_SET_EXCEPTION(vm.throw_completion<TypeError>(ErrorType::NotAnObject, value.to_string_without_side_effects()));
+    return {};
+}
+
+void Compiler::compile_throw_if_not_object(Bytecode::Op::ThrowIfNotObject const&)
+{
+    load_vm_register(ARG1, Bytecode::Register::accumulator());
+    native_call((void*)cxx_throw_if_not_object);
+    check_exception();
+}
+
 void Compiler::jump_to_exit()
 {
     m_assembler.jump(m_exit_label);
diff --git a/Userland/Libraries/LibJS/JIT/Compiler.h b/Userland/Libraries/LibJS/JIT/Compiler.h
index 4551d94189..d9124196e0 100644
--- a/Userland/Libraries/LibJS/JIT/Compiler.h
+++ b/Userland/Libraries/LibJS/JIT/Compiler.h
@@ -108,7 +108,8 @@ private:
         O(SuperCallWithArgumentArray, super_call_with_argument_array)            \
         O(GetIterator, get_iterator)                                             \
         O(IteratorNext, iterator_next)                                           \
-        O(IteratorResultDone, iterator_result_done)
+        O(IteratorResultDone, iterator_result_done)                              \
+        O(ThrowIfNotObject, throw_if_not_object)
 
 #    define DECLARE_COMPILE_OP(OpTitleCase, op_snake_case) \
         void compile_##op_snake_case(Bytecode::Op::OpTitleCase const&);