LibJS: Convert the PutValue AO to ThrowCompletionOr

Author: https://github.com/IdanHo
Commit: 1aaaf521b8
Pull-request: https://github.com/SerenityOS/serenity/pull/10765
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibJS/Bytecode/Op.cpp

@@ -274,7 +274,8 @@ void SetVariable::execute_impl(Bytecode::Interpreter& interpreter) const
     if (vm.exception())
         return;
 
-    reference.put_value(interpreter.global_object(), interpreter.accumulator());
+    // TODO: ThrowCompletionOr<void> return
+    (void)reference.put_value(interpreter.global_object(), interpreter.accumulator());
 }
 
 void GetById::execute_impl(Bytecode::Interpreter& interpreter) const