LibJS: Restore the environment if an exception is thrown in 'with' block

1 files changed, 3 insertions, 2 deletions

diff --git a/Userland/Libraries/LibJS/AST.cpp b/Userland/Libraries/LibJS/AST.cpp
index 80dd4f6448..658d5b6081 100644
--- a/Userland/Libraries/LibJS/AST.cpp
+++ b/Userland/Libraries/LibJS/AST.cpp
@@ -379,12 +379,13 @@ Value WithStatement::execute(Interpreter& interpreter, GlobalObject& global_obje
 
     // 6. Let C be the result of evaluating Statement.
     auto result = interpreter.execute_statement(global_object, m_body).value_or(js_undefined());
-    if (interpreter.exception())
-        return {};
 
     // 7. Set the running execution context's LexicalEnvironment to oldEnv.
     interpreter.vm().running_execution_context().lexical_environment = old_environment;
 
+    if (interpreter.exception())
+        return {};
+
     // 8. Return Completion(UpdateEmpty(C, undefined)).
     return result;
 }