fix corner case in arguments (#4411)

fixes #4410
2020-12-18 20:53:53 +00:00
parent 7d9dad0289
commit 0f55bd92f1
2 changed files with 72 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -9905,6 +9905,7 @@ merge(Compressor.prototype, {
            } else if (argname instanceof AST_Destructured) {
                argname = null;
            } else if (argname && (compressor.has_directive("use strict")
+                || fn.name
                || !(fn_parent instanceof AST_Call && index < fn_parent.args.length)
                || !all(fn.argnames, function(argname) {
                    return !(argname instanceof AST_Destructured);