fix corner case in merge_vars (#4402)

fixes #4401
2020-12-18 04:20:43 +00:00
parent 1b646d3bc4
commit d2c50ace99
3 changed files with 31 additions and 2 deletions
--- a/test/ufuzz/index.js
+++ b/test/ufuzz/index.js
@@ -1011,7 +1011,7 @@ function _createExpression(recurmax, noComma, stmtDepth, canThrow) {
                        suffix = "})";
                    } else {
                        s.push("((" + params + ") => ");
-                        switch (rng(4)) {
+                        switch (rng(10)) {
                          case 0:
                            s.push('(typeof arguments != "undefined" && arguments && arguments[' + rng(3) + "])");
                            break;