fix corner case in evaluate (#4272)

fixes #4271
2020-11-10 16:06:13 +00:00
parent 41310e6404
commit fba27bfb71
2 changed files with 28 additions and 4 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -3592,10 +3592,7 @@ merge(Compressor.prototype, {
                        key = key._eval(compressor, ignore_side_effects, cached, depth);
                        if (key === prop.key) return this;
                    }
-                    if (prop.value instanceof AST_Function) {
-                        if (typeof Object.prototype[key] == "function") return this;
-                        continue;
-                    }
+                    if (prop.value instanceof AST_Function && typeof Object.prototype[key] == "function") return this;
                    val[key] = prop.value._eval(compressor, ignore_side_effects, cached, depth);
                    if (val[key] === prop.value) return this;
                }