fix corner case in collapse_vars (#4002)

fixes #4001
2020-06-19 19:19:37 +01:00
parent 8b2cfd45fa
commit e61bc34eb1
2 changed files with 34 additions and 2 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1500,7 +1500,6 @@ merge(Compressor.prototype, {
                    can_replace = false;
                    var after = stop_after;
                    var if_hit = stop_if_hit;
-                    var rhs_fn = scan_rhs;
                    for (var i = 0; !abort && i < fn.body.length; i++) {
                        var stat = fn.body[i];
                        if (stat instanceof AST_Return) {
@@ -1509,7 +1508,6 @@ merge(Compressor.prototype, {
                        }
                        stat.transform(scanner);
                    }
-                    scan_rhs = rhs_fn;
                    stop_if_hit = if_hit;
                    stop_after = after;
                    can_replace = replace;