fix corner case in unused (#5708)

fixes #5707
2022-10-10 14:45:57 +01:00
parent bccb1c3bd9
commit 7edd10e5e5
3 changed files with 29 additions and 3 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -7251,16 +7251,19 @@ Compressor.prototype.compress = function(node) {
                node.name = null;
            }
            if (node instanceof AST_Lambda) {
-                descend_scope();
                if (drop_funcs && node !== self && node instanceof AST_LambdaDefinition) {
                    var def = node.name.definition();
                    if (!(def.id in in_use_ids)) {
                        log(node.name, "Dropping unused function {name}");
                        def.eliminated++;
-                        if (parent instanceof AST_ExportDefault) return to_func_expr(node, true);
+                        if (parent instanceof AST_ExportDefault) {
+                            descend_scope();
+                            return to_func_expr(node, true);
+                        }
                        return in_list ? List.skip : make_node(AST_EmptyStatement, node);
                    }
                }
+                descend_scope();
                if (node instanceof AST_LambdaExpression && node.name && drop_fn_name(node.name.definition())) {
                    node.name = null;
                }