fix corner case in inline (#5257)

fixes #5256
2022-01-03 02:13:29 +00:00
parent 7889192cae
commit 1a054e869e
2 changed files with 22 additions and 3 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -12937,9 +12937,7 @@ Compressor.prototype.compress = function(node) {
            if (!fn.variables.all(function(def, name) {
                if (in_loop) in_loop.push(def);
                if (!defined.has(name) && !names.has(name)) return true;
-                if (name != "arguments") return false;
-                if (scope.uses_arguments) return false;
-                return def.references.length == def.replaced;
+                return !arrow && name == "arguments" && def.orig.length == 1;
            })) return;
            if (in_loop && in_loop.length > 0 && is_reachable(fn, in_loop)) return;
            var simple_argnames = true;