fix corner case in keep_fargs (#3620)

fixes #3619
2019-12-02 12:28:17 +08:00
parent 9a6faf365b
commit bef856addb
2 changed files with 31 additions and 2 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -5173,8 +5173,7 @@ merge(Compressor.prototype, {
            && !fn.uses_arguments
            && !fn.pinned()) {
            var pos = 0, last = 0;
-            var drop_fargs = exp === fn && compressor.drop_fargs(fn, self)
-                && (!fn.name || !fn.name.definition().recursive_refs);
+            var drop_fargs = exp === fn && !fn.name && compressor.drop_fargs(fn, self);
            var side_effects = [];
            for (var i = 0; i < self.args.length; i++) {
                var trim = i >= fn.argnames.length;