1 files changed, 8 insertions, 0 deletions
diff --git a/lib/scope.js b/lib/scope.js
index fac673bc..779637cb 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -208,6 +208,14 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
     self.globals = new Dictionary();
     var in_arg = [];
     var tw = new TreeWalker(function(node) {
+        if (node instanceof AST_Catch) {
+            if (!(node.argname instanceof AST_Destructured)) return;
+            in_arg.push(node);
+            node.argname.walk(tw);
+            in_arg.pop();
+            walk_body(node, tw);
+            return true;
+        }
         if (node instanceof AST_Lambda) {
             in_arg.push(node);
             node.argnames.forEach(function(argname) {