fix corner case in collapse_vars (#3574)

fixes #3573
2019-11-07 20:38:03 +08:00
parent 61a0dad9fe
commit 87e67ec299
2 changed files with 34 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1283,6 +1283,7 @@ merge(Compressor.prototype, {
                            }
                            branch.expression = branch.expression.transform(scanner);
                            if (!replace_all) break;
+                            scan_rhs = false;
                        }
                    }
                    abort = true;