fix corner case in collapse_vars (#3745)

fixes #3744
2020-03-06 18:27:06 +00:00
parent bca52fcba2
commit bdc8ef2218
2 changed files with 45 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1384,7 +1384,10 @@ merge(Compressor.prototype, {
            function is_last_node(node, parent) {
                if (node instanceof AST_Call) {
                    var fn = node.expression;
-                    if (fn instanceof AST_SymbolRef) fn = fn.fixed_value();
+                    if (fn instanceof AST_SymbolRef) {
+                        if (fn.definition().recursive_refs > 0) return true;
+                        fn = fn.fixed_value();
+                    }
                    if (!(fn instanceof AST_Lambda)) return true;
                    if (fn.collapse_scanning) return false;
                    fn.collapse_scanning = true;