fix corner case in keep_fargs (#3424)

fixes #3423
2019-05-21 12:55:34 +08:00
parent d357a7aabc
commit b9053c7a25
2 changed files with 39 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -108,7 +108,7 @@ function Compressor(options, false_by_default) {
    this.drop_fargs = keep_fargs == "strict" ? function(lambda, parent) {
        if (lambda.length_read) return false;
        var name = lambda.name;
-        if (!name) return parent && parent.TYPE == "Call";
+        if (!name) return parent && parent.TYPE == "Call" && parent.expression === lambda;
        if (name.fixed_value() !== lambda) return false;
        var def = name.definition();
        if (def.direct_access) return false;