fix corner case in evaluate (#3938)

fixes #3937
2020-05-30 11:22:40 +01:00
parent 43498769f0
commit 0eb4577a82
2 changed files with 22 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -3493,7 +3493,7 @@ merge(Compressor.prototype, {
            var fixed = this.fixed_value();
            if (!fixed) return this;
            var value;
-            if (member(fixed, cached)) {
+            if (HOP(fixed, "_eval")) {
                value = fixed._eval();
            } else {
                this._eval = return_this;