fix corner case in pure_getters (#4449)

fixes #4448
2020-12-24 19:58:23 +00:00
parent 1896694532
commit dfc3ec9cef
2 changed files with 30 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -358,6 +358,7 @@ merge(Compressor.prototype, {

    function is_arguments(def) {
        if (def.name != "arguments") return false;
+        if (!def.scope.uses_arguments) return false;
        var orig = def.orig;
        return orig.length == 1 && orig[0] instanceof AST_SymbolFunarg;
    }